Home / 29,232,781,545.78-40,340,158,314.30-15,866,487,697.14

Finding the Fourth Proportional to 29,232,781,545.78, 40,340,158,314.30 and 15,866,487,697.14

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Solution

The fourth proportional to 29,232,781,545.78, 40,340,158,314.30 and 15,866,487,697.14 is: 21,895,166,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,232,781,545.78 : 40,340,158,314.30 = 15,866,487,697.14 : x
  2. Step 2: Convert to fraction form
    29,232,781,545.78/40,340,158,314.30 = 15,866,487,697.14/x
  3. Step 3: Cross multiply
    29,232,781,545.78x = 40,340,158,314.30 × 15,866,487,697.14
  4. Step 4: Simplify right side
    29,232,781,545.78x = 640,056,625,594,520,829,952
  5. Step 5: Solve for x
    x = 640,056,625,594,520,829,952/29,232,781,545.78
  6. Step 6: Final answer
    x = 21,895,166,718.64

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Double scale
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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.