Home / 618,232,281.60-927,348,422.40-331,577,817.60

Finding the Fourth Proportional to 618,232,281.60, 927,348,422.40 and 331,577,817.60

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Solution

The fourth proportional to 618,232,281.60, 927,348,422.40 and 331,577,817.60 is: 497,366,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,232,281.60 : 927,348,422.40 = 331,577,817.60 : x
  2. Step 2: Convert to fraction form
    618,232,281.60/927,348,422.40 = 331,577,817.60/x
  3. Step 3: Cross multiply
    618,232,281.60x = 927,348,422.40 × 331,577,817.60
  4. Step 4: Simplify right side
    618,232,281.60x = 307,488,166,054,194,944
  5. Step 5: Solve for x
    x = 307,488,166,054,194,944/618,232,281.60
  6. Step 6: Final answer
    x = 497,366,726.40

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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.