Home / 984,514,661.11-1,358,575,280.76-538,389,989.11

Finding the Fourth Proportional to 984,514,661.11, 1,358,575,280.76 and 538,389,989.11

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Solution

The fourth proportional to 984,514,661.11, 1,358,575,280.76 and 538,389,989.11 is: 742,948,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,514,661.11 : 1,358,575,280.76 = 538,389,989.11 : x
  2. Step 2: Convert to fraction form
    984,514,661.11/1,358,575,280.76 = 538,389,989.11/x
  3. Step 3: Cross multiply
    984,514,661.11x = 1,358,575,280.76 × 538,389,989.11
  4. Step 4: Simplify right side
    984,514,661.11x = 731,443,330,613,491,584
  5. Step 5: Solve for x
    x = 731,443,330,613,491,584/984,514,661.11
  6. Step 6: Final answer
    x = 742,948,134.25

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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.