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Finding the Fourth Proportional to 265,402,457.30, 398,103,685.95 and 150,611,201.30

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Solution

The fourth proportional to 265,402,457.30, 398,103,685.95 and 150,611,201.30 is: 225,916,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,402,457.30 : 398,103,685.95 = 150,611,201.30 : x
  2. Step 2: Convert to fraction form
    265,402,457.30/398,103,685.95 = 150,611,201.30/x
  3. Step 3: Cross multiply
    265,402,457.30x = 398,103,685.95 × 150,611,201.30
  4. Step 4: Simplify right side
    265,402,457.30x = 59,958,874,382,887,432
  5. Step 5: Solve for x
    x = 59,958,874,382,887,432/265,402,457.30
  6. Step 6: Final answer
    x = 225,916,801.95

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Double scale
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Similar ratio
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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.