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Finding the Fourth Proportional to 87,156,349,780.80, 130,527,900,410.40 and 87,156,349,780.80

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Solution

The fourth proportional to 87,156,349,780.80, 130,527,900,410.40 and 87,156,349,780.80 is: 130,527,900,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,349,780.80 : 130,527,900,410.40 = 87,156,349,780.80 : x
  2. Step 2: Convert to fraction form
    87,156,349,780.80/130,527,900,410.40 = 87,156,349,780.80/x
  3. Step 3: Cross multiply
    87,156,349,780.80x = 130,527,900,410.40 × 87,156,349,780.80
  4. Step 4: Simplify right side
    87,156,349,780.80x = 11,376,335,344,322,249,490,432
  5. Step 5: Solve for x
    x = 11,376,335,344,322,249,490,432/87,156,349,780.80
  6. Step 6: Final answer
    x = 130,527,900,410.40

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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.