Home / 788,427,001.17-1,182,644,487.63-206,162,526.87

Finding the Fourth Proportional to 788,427,001.17, 1,182,644,487.63 and 206,162,526.87

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Solution

The fourth proportional to 788,427,001.17, 1,182,644,487.63 and 206,162,526.87 is: 309,244,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,427,001.17 : 1,182,644,487.63 = 206,162,526.87 : x
  2. Step 2: Convert to fraction form
    788,427,001.17/1,182,644,487.63 = 206,162,526.87/x
  3. Step 3: Cross multiply
    788,427,001.17x = 1,182,644,487.63 × 206,162,526.87
  4. Step 4: Simplify right side
    788,427,001.17x = 243,816,975,958,677,280
  5. Step 5: Solve for x
    x = 243,816,975,958,677,280/788,427,001.17
  6. Step 6: Final answer
    x = 309,244,832.56

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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.