Home / 982,891,409.28-1,356,381,215.08-536,854,679.76

Finding the Fourth Proportional to 982,891,409.28, 1,356,381,215.08 and 536,854,679.76

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Solution

The fourth proportional to 982,891,409.28, 1,356,381,215.08 and 536,854,679.76 is: 740,854,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,891,409.28 : 1,356,381,215.08 = 536,854,679.76 : x
  2. Step 2: Convert to fraction form
    982,891,409.28/1,356,381,215.08 = 536,854,679.76/x
  3. Step 3: Cross multiply
    982,891,409.28x = 1,356,381,215.08 × 536,854,679.76
  4. Step 4: Simplify right side
    982,891,409.28x = 728,179,602,854,253,056
  5. Step 5: Solve for x
    x = 728,179,602,854,253,056/982,891,409.28
  6. Step 6: Final answer
    x = 740,854,580.66

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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.