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Finding the Fourth Proportional to 8,007,984,006.10, 12,011,976,009.15 and 8,007,984,006.10

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Solution

The fourth proportional to 8,007,984,006.10, 12,011,976,009.15 and 8,007,984,006.10 is: 12,011,976,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,984,006.10 : 12,011,976,009.15 = 8,007,984,006.10 : x
  2. Step 2: Convert to fraction form
    8,007,984,006.10/12,011,976,009.15 = 8,007,984,006.10/x
  3. Step 3: Cross multiply
    8,007,984,006.10x = 12,011,976,009.15 × 8,007,984,006.10
  4. Step 4: Simplify right side
    8,007,984,006.10x = 96,191,711,762,930,106,368
  5. Step 5: Solve for x
    x = 96,191,711,762,930,106,368/8,007,984,006.10
  6. Step 6: Final answer
    x = 12,011,976,009.15

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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.