Home / 20,838,678,763.66-28,757,314,084.21-11,323,259,545.12

Finding the Fourth Proportional to 20,838,678,763.66, 28,757,314,084.21 and 11,323,259,545.12

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Solution

The fourth proportional to 20,838,678,763.66, 28,757,314,084.21 and 11,323,259,545.12 is: 15,626,064,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838,678,763.66 : 28,757,314,084.21 = 11,323,259,545.12 : x
  2. Step 2: Convert to fraction form
    20,838,678,763.66/28,757,314,084.21 = 11,323,259,545.12/x
  3. Step 3: Cross multiply
    20,838,678,763.66x = 28,757,314,084.21 × 11,323,259,545.12
  4. Step 4: Simplify right side
    20,838,678,763.66x = 325,626,531,195,964,555,264
  5. Step 5: Solve for x
    x = 325,626,531,195,964,555,264/20,838,678,763.66
  6. Step 6: Final answer
    x = 15,626,064,151.62

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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.