Home / 28,572,483,761.91-39,432,233,266.45-17,141,480,734.95

Finding the Fourth Proportional to 28,572,483,761.91, 39,432,233,266.45 and 17,141,480,734.95

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Solution

The fourth proportional to 28,572,483,761.91, 39,432,233,266.45 and 17,141,480,734.95 is: 23,656,566,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572,483,761.91 : 39,432,233,266.45 = 17,141,480,734.95 : x
  2. Step 2: Convert to fraction form
    28,572,483,761.91/39,432,233,266.45 = 17,141,480,734.95/x
  3. Step 3: Cross multiply
    28,572,483,761.91x = 39,432,233,266.45 × 17,141,480,734.95
  4. Step 4: Simplify right side
    28,572,483,761.91x = 675,926,866,872,872,861,696
  5. Step 5: Solve for x
    x = 675,926,866,872,872,861,696/28,572,483,761.91
  6. Step 6: Final answer
    x = 23,656,566,664.11

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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.