Home / 400,018,610,769.60-552,024,290,919.70-217,115,711,933.64

Finding the Fourth Proportional to 400,018,610,769.60, 552,024,290,919.70 and 217,115,711,933.64

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Solution

The fourth proportional to 400,018,610,769.60, 552,024,290,919.70 and 217,115,711,933.64 is: 299,618,926,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,018,610,769.60 : 552,024,290,919.70 = 217,115,711,933.64 : x
  2. Step 2: Convert to fraction form
    400,018,610,769.60/552,024,290,919.70 = 217,115,711,933.64/x
  3. Step 3: Cross multiply
    400,018,610,769.60x = 552,024,290,919.70 × 217,115,711,933.64
  4. Step 4: Simplify right side
    400,018,610,769.60x = 119,853,146,927,693,461,192,704
  5. Step 5: Solve for x
    x = 119,853,146,927,693,461,192,704/400,018,610,769.60
  6. Step 6: Final answer
    x = 299,618,926,972.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.