Home / 698,488,203.15-1,047,553,592.81-207,086,565.87

Finding the Fourth Proportional to 698,488,203.15, 1,047,553,592.81 and 207,086,565.87

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Solution

The fourth proportional to 698,488,203.15, 1,047,553,592.81 and 207,086,565.87 is: 310,576,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,488,203.15 : 1,047,553,592.81 = 207,086,565.87 : x
  2. Step 2: Convert to fraction form
    698,488,203.15/1,047,553,592.81 = 207,086,565.87/x
  3. Step 3: Cross multiply
    698,488,203.15x = 1,047,553,592.81 × 207,086,565.87
  4. Step 4: Simplify right side
    698,488,203.15x = 216,934,276,098,767,776
  5. Step 5: Solve for x
    x = 216,934,276,098,767,776/698,488,203.15
  6. Step 6: Final answer
    x = 310,576,864.61

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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.