Home / 570,765,282.64-787,651,761-310,006,764.88

Finding the Fourth Proportional to 570,765,282.64, 787,651,761 and 310,006,764.88

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Solution

The fourth proportional to 570,765,282.64, 787,651,761 and 310,006,764.88 is: 427,806,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,765,282.64 : 787,651,761 = 310,006,764.88 : x
  2. Step 2: Convert to fraction form
    570,765,282.64/787,651,761 = 310,006,764.88/x
  3. Step 3: Cross multiply
    570,765,282.64x = 787,651,761 × 310,006,764.88
  4. Step 4: Simplify right side
    570,765,282.64x = 244,177,374,279,644,960
  5. Step 5: Solve for x
    x = 244,177,374,279,644,960/570,765,282.64
  6. Step 6: Final answer
    x = 427,806,984.25

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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.