Home / 1,478,261,398.72-2,039,861,184.48-883,427,459.52

Finding the Fourth Proportional to 1,478,261,398.72, 2,039,861,184.48 and 883,427,459.52

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Solution

The fourth proportional to 1,478,261,398.72, 2,039,861,184.48 and 883,427,459.52 is: 1,219,046,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,261,398.72 : 2,039,861,184.48 = 883,427,459.52 : x
  2. Step 2: Convert to fraction form
    1,478,261,398.72/2,039,861,184.48 = 883,427,459.52/x
  3. Step 3: Cross multiply
    1,478,261,398.72x = 2,039,861,184.48 × 883,427,459.52
  4. Step 4: Simplify right side
    1,478,261,398.72x = 1,802,069,383,978,624,512
  5. Step 5: Solve for x
    x = 1,802,069,383,978,624,512/1,478,261,398.72
  6. Step 6: Final answer
    x = 1,219,046,499.85

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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.