Home / 731,981,405.76-1,098,007,421.04-240,683,798.40

Finding the Fourth Proportional to 731,981,405.76, 1,098,007,421.04 and 240,683,798.40

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Solution

The fourth proportional to 731,981,405.76, 1,098,007,421.04 and 240,683,798.40 is: 361,037,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,981,405.76 : 1,098,007,421.04 = 240,683,798.40 : x
  2. Step 2: Convert to fraction form
    731,981,405.76/1,098,007,421.04 = 240,683,798.40/x
  3. Step 3: Cross multiply
    731,981,405.76x = 1,098,007,421.04 × 240,683,798.40
  4. Step 4: Simplify right side
    731,981,405.76x = 264,272,596,767,295,264
  5. Step 5: Solve for x
    x = 264,272,596,767,295,264/731,981,405.76
  6. Step 6: Final answer
    x = 361,037,308.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.