Home / 415,563,774.80-573,338,761.18-239,348,242.40

Finding the Fourth Proportional to 415,563,774.80, 573,338,761.18 and 239,348,242.40

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Solution

The fourth proportional to 415,563,774.80, 573,338,761.18 and 239,348,242.40 is: 330,220,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,563,774.80 : 573,338,761.18 = 239,348,242.40 : x
  2. Step 2: Convert to fraction form
    415,563,774.80/573,338,761.18 = 239,348,242.40/x
  3. Step 3: Cross multiply
    415,563,774.80x = 573,338,761.18 × 239,348,242.40
  4. Step 4: Simplify right side
    415,563,774.80x = 137,227,624,784,761,296
  5. Step 5: Solve for x
    x = 137,227,624,784,761,296/415,563,774.80
  6. Step 6: Final answer
    x = 330,220,373.16

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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.