Home / 1,112,105,938.05-1,534,604,764.23-659,905,988.36

Finding the Fourth Proportional to 1,112,105,938.05, 1,534,604,764.23 and 659,905,988.36

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Solution

The fourth proportional to 1,112,105,938.05, 1,534,604,764.23 and 659,905,988.36 is: 910,610,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,105,938.05 : 1,534,604,764.23 = 659,905,988.36 : x
  2. Step 2: Convert to fraction form
    1,112,105,938.05/1,534,604,764.23 = 659,905,988.36/x
  3. Step 3: Cross multiply
    1,112,105,938.05x = 1,534,604,764.23 × 659,905,988.36
  4. Step 4: Simplify right side
    1,112,105,938.05x = 1,012,694,873,673,489,920
  5. Step 5: Solve for x
    x = 1,012,694,873,673,489,920/1,112,105,938.05
  6. Step 6: Final answer
    x = 910,610,076.81

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Double scale
Find fourth proportional to 1,112,105,939.05, 1,534,604,765.61 and 659,905,989.36
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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.