Home / 1,389,086,683.39-1,916,941,463.07-754,006,762.90

Finding the Fourth Proportional to 1,389,086,683.39, 1,916,941,463.07 and 754,006,762.90

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Solution

The fourth proportional to 1,389,086,683.39, 1,916,941,463.07 and 754,006,762.90 is: 1,040,530,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,086,683.39 : 1,916,941,463.07 = 754,006,762.90 : x
  2. Step 2: Convert to fraction form
    1,389,086,683.39/1,916,941,463.07 = 754,006,762.90/x
  3. Step 3: Cross multiply
    1,389,086,683.39x = 1,916,941,463.07 × 754,006,762.90
  4. Step 4: Simplify right side
    1,389,086,683.39x = 1,445,386,827,238,200,576
  5. Step 5: Solve for x
    x = 1,445,386,827,238,200,576/1,389,086,683.39
  6. Step 6: Final answer
    x = 1,040,530,331.56

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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.