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Finding the Fourth Proportional to 10,426,347,130.20, 15,639,520,695.30 and 10,426,347,130.20

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Solution

The fourth proportional to 10,426,347,130.20, 15,639,520,695.30 and 10,426,347,130.20 is: 15,639,520,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426,347,130.20 : 15,639,520,695.30 = 10,426,347,130.20 : x
  2. Step 2: Convert to fraction form
    10,426,347,130.20/15,639,520,695.30 = 10,426,347,130.20/x
  3. Step 3: Cross multiply
    10,426,347,130.20x = 15,639,520,695.30 × 10,426,347,130.20
  4. Step 4: Simplify right side
    10,426,347,130.20x = 163,063,071,719,144,652,800
  5. Step 5: Solve for x
    x = 163,063,071,719,144,652,800/10,426,347,130.20
  6. Step 6: Final answer
    x = 15,639,520,695.30

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Double scale
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1.5x scale

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.