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Finding the Fourth Proportional to 1,063,149,167.90, 1,484,780,864.50 and 1,063,149,167.90

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Solution

The fourth proportional to 1,063,149,167.90, 1,484,780,864.50 and 1,063,149,167.90 is: 1,484,780,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,149,167.90 : 1,484,780,864.50 = 1,063,149,167.90 : x
  2. Step 2: Convert to fraction form
    1,063,149,167.90/1,484,780,864.50 = 1,063,149,167.90/x
  3. Step 3: Cross multiply
    1,063,149,167.90x = 1,484,780,864.50 × 1,063,149,167.90
  4. Step 4: Simplify right side
    1,063,149,167.90x = 1,578,543,540,607,017,728
  5. Step 5: Solve for x
    x = 1,578,543,540,607,017,728/1,063,149,167.90
  6. Step 6: Final answer
    x = 1,484,780,864.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.