Home / 679,960,806.10-1,020,193,151.55-271,310,233.30

Finding the Fourth Proportional to 679,960,806.10, 1,020,193,151.55 and 271,310,233.30

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Solution

The fourth proportional to 679,960,806.10, 1,020,193,151.55 and 271,310,233.30 is: 407,065,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,960,806.10 : 1,020,193,151.55 = 271,310,233.30 : x
  2. Step 2: Convert to fraction form
    679,960,806.10/1,020,193,151.55 = 271,310,233.30/x
  3. Step 3: Cross multiply
    679,960,806.10x = 1,020,193,151.55 × 271,310,233.30
  4. Step 4: Simplify right side
    679,960,806.10x = 276,788,841,958,092,768
  5. Step 5: Solve for x
    x = 276,788,841,958,092,768/679,960,806.10
  6. Step 6: Final answer
    x = 407,065,877.14

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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.