Home / 7,838,208,001.70-11,757,312,002.55-7,656,809,473.70

Finding the Fourth Proportional to 7,838,208,001.70, 11,757,312,002.55 and 7,656,809,473.70

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Solution

The fourth proportional to 7,838,208,001.70, 11,757,312,002.55 and 7,656,809,473.70 is: 11,485,214,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,208,001.70 : 11,757,312,002.55 = 7,656,809,473.70 : x
  2. Step 2: Convert to fraction form
    7,838,208,001.70/11,757,312,002.55 = 7,656,809,473.70/x
  3. Step 3: Cross multiply
    7,838,208,001.70x = 11,757,312,002.55 × 7,656,809,473.70
  4. Step 4: Simplify right side
    7,838,208,001.70x = 90,023,497,926,371,557,376
  5. Step 5: Solve for x
    x = 90,023,497,926,371,557,376/7,838,208,001.70
  6. Step 6: Final answer
    x = 11,485,214,210.55

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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.