Home / 1,040,615,982.76-1,436,140,862.28-570,808,105.72

Finding the Fourth Proportional to 1,040,615,982.76, 1,436,140,862.28 and 570,808,105.72

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Solution

The fourth proportional to 1,040,615,982.76, 1,436,140,862.28 and 570,808,105.72 is: 787,764,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,615,982.76 : 1,436,140,862.28 = 570,808,105.72 : x
  2. Step 2: Convert to fraction form
    1,040,615,982.76/1,436,140,862.28 = 570,808,105.72/x
  3. Step 3: Cross multiply
    1,040,615,982.76x = 1,436,140,862.28 × 570,808,105.72
  4. Step 4: Simplify right side
    1,040,615,982.76x = 819,760,845,145,134,208
  5. Step 5: Solve for x
    x = 819,760,845,145,134,208/1,040,615,982.76
  6. Step 6: Final answer
    x = 787,764,995.66

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,040,615,983.76, 1,436,140,863.66 and 570,808,106.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.