Home / 1,009,021,856.28-1,513,612,019.25-272,080,665.96

Finding the Fourth Proportional to 1,009,021,856.28, 1,513,612,019.25 and 272,080,665.96

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Solution

The fourth proportional to 1,009,021,856.28, 1,513,612,019.25 and 272,080,665.96 is: 408,142,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,021,856.28 : 1,513,612,019.25 = 272,080,665.96 : x
  2. Step 2: Convert to fraction form
    1,009,021,856.28/1,513,612,019.25 = 272,080,665.96/x
  3. Step 3: Cross multiply
    1,009,021,856.28x = 1,513,612,019.25 × 272,080,665.96
  4. Step 4: Simplify right side
    1,009,021,856.28x = 411,824,566,202,600,320
  5. Step 5: Solve for x
    x = 411,824,566,202,600,320/1,009,021,856.28
  6. Step 6: Final answer
    x = 408,142,364.45

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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.