Home / 2,654,209,985.40-3,981,314,978.10-813,948,046.20

Finding the Fourth Proportional to 2,654,209,985.40, 3,981,314,978.10 and 813,948,046.20

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Solution

The fourth proportional to 2,654,209,985.40, 3,981,314,978.10 and 813,948,046.20 is: 1,220,922,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,209,985.40 : 3,981,314,978.10 = 813,948,046.20 : x
  2. Step 2: Convert to fraction form
    2,654,209,985.40/3,981,314,978.10 = 813,948,046.20/x
  3. Step 3: Cross multiply
    2,654,209,985.40x = 3,981,314,978.10 × 813,948,046.20
  4. Step 4: Simplify right side
    2,654,209,985.40x = 3,240,583,547,731,291,136
  5. Step 5: Solve for x
    x = 3,240,583,547,731,291,136/2,654,209,985.40
  6. Step 6: Final answer
    x = 1,220,922,069.30

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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.