Home / 1,145,960,755.62-1,718,938,985.30-359,074,649.13

Finding the Fourth Proportional to 1,145,960,755.62, 1,718,938,985.30 and 359,074,649.13

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Solution

The fourth proportional to 1,145,960,755.62, 1,718,938,985.30 and 359,074,649.13 is: 538,611,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,960,755.62 : 1,718,938,985.30 = 359,074,649.13 : x
  2. Step 2: Convert to fraction form
    1,145,960,755.62/1,718,938,985.30 = 359,074,649.13/x
  3. Step 3: Cross multiply
    1,145,960,755.62x = 1,718,938,985.30 × 359,074,649.13
  4. Step 4: Simplify right side
    1,145,960,755.62x = 617,227,413,020,680,320
  5. Step 5: Solve for x
    x = 617,227,413,020,680,320/1,145,960,755.62
  6. Step 6: Final answer
    x = 538,611,300.60

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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.