Home / 1,310,534,683.13-1,808,525,923.97-715,819,009.82

Finding the Fourth Proportional to 1,310,534,683.13, 1,808,525,923.97 and 715,819,009.82

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Solution

The fourth proportional to 1,310,534,683.13, 1,808,525,923.97 and 715,819,009.82 is: 987,823,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,534,683.13 : 1,808,525,923.97 = 715,819,009.82 : x
  2. Step 2: Convert to fraction form
    1,310,534,683.13/1,808,525,923.97 = 715,819,009.82/x
  3. Step 3: Cross multiply
    1,310,534,683.13x = 1,808,525,923.97 × 715,819,009.82
  4. Step 4: Simplify right side
    1,310,534,683.13x = 1,294,577,236,122,753,024
  5. Step 5: Solve for x
    x = 1,294,577,236,122,753,024/1,310,534,683.13
  6. Step 6: Final answer
    x = 987,823,712.56

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Double scale
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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.