Home / 28,651,872,683.12-42,985,546,761.32-8,754,217,538

Finding the Fourth Proportional to 28,651,872,683.12, 42,985,546,761.32 and 8,754,217,538

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Solution

The fourth proportional to 28,651,872,683.12, 42,985,546,761.32 and 8,754,217,538 is: 13,133,690,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651,872,683.12 : 42,985,546,761.32 = 8,754,217,538 : x
  2. Step 2: Convert to fraction form
    28,651,872,683.12/42,985,546,761.32 = 8,754,217,538/x
  3. Step 3: Cross multiply
    28,651,872,683.12x = 42,985,546,761.32 × 8,754,217,538
  4. Step 4: Simplify right side
    28,651,872,683.12x = 376,304,827,338,466,656,256
  5. Step 5: Solve for x
    x = 376,304,827,338,466,656,256/28,651,872,683.12
  6. Step 6: Final answer
    x = 13,133,690,474.63

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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.