Home / 28,466,635,234.16-39,283,106,102.15-15,605,835,442.97

Finding the Fourth Proportional to 28,466,635,234.16, 39,283,106,102.15 and 15,605,835,442.97

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Solution

The fourth proportional to 28,466,635,234.16, 39,283,106,102.15 and 15,605,835,442.97 is: 21,535,586,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466,635,234.16 : 39,283,106,102.15 = 15,605,835,442.97 : x
  2. Step 2: Convert to fraction form
    28,466,635,234.16/39,283,106,102.15 = 15,605,835,442.97/x
  3. Step 3: Cross multiply
    28,466,635,234.16x = 39,283,106,102.15 × 15,605,835,442.97
  4. Step 4: Simplify right side
    28,466,635,234.16x = 613,045,689,518,609,006,592
  5. Step 5: Solve for x
    x = 613,045,689,518,609,006,592/28,466,635,234.16
  6. Step 6: Final answer
    x = 21,535,586,642.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.