Home / 7,921,152,001.70-11,881,728,002.55-7,921,152,001.70

Finding the Fourth Proportional to 7,921,152,001.70, 11,881,728,002.55 and 7,921,152,001.70

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Solution

The fourth proportional to 7,921,152,001.70, 11,881,728,002.55 and 7,921,152,001.70 is: 11,881,728,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,152,001.70 : 11,881,728,002.55 = 7,921,152,001.70 : x
  2. Step 2: Convert to fraction form
    7,921,152,001.70/11,881,728,002.55 = 7,921,152,001.70/x
  3. Step 3: Cross multiply
    7,921,152,001.70x = 11,881,728,002.55 × 7,921,152,001.70
  4. Step 4: Simplify right side
    7,921,152,001.70x = 94,116,973,551,053,864,960
  5. Step 5: Solve for x
    x = 94,116,973,551,053,864,960/7,921,152,001.70
  6. Step 6: Final answer
    x = 11,881,728,002.55

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Double scale
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Similar ratio
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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.