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Finding the Fourth Proportional to 7,243,488,007.90, 10,865,232,011.85 and 7,243,488,007.90

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Solution

The fourth proportional to 7,243,488,007.90, 10,865,232,011.85 and 7,243,488,007.90 is: 10,865,232,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,488,007.90 : 10,865,232,011.85 = 7,243,488,007.90 : x
  2. Step 2: Convert to fraction form
    7,243,488,007.90/10,865,232,011.85 = 7,243,488,007.90/x
  3. Step 3: Cross multiply
    7,243,488,007.90x = 10,865,232,011.85 × 7,243,488,007.90
  4. Step 4: Simplify right side
    7,243,488,007.90x = 78,702,177,780,886,667,264
  5. Step 5: Solve for x
    x = 78,702,177,780,886,667,264/7,243,488,007.90
  6. Step 6: Final answer
    x = 10,865,232,011.85

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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.