Home / 409,698,672.30-614,548,008.45-362,347,279.20

Finding the Fourth Proportional to 409,698,672.30, 614,548,008.45 and 362,347,279.20

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Solution

The fourth proportional to 409,698,672.30, 614,548,008.45 and 362,347,279.20 is: 543,520,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,698,672.30 : 614,548,008.45 = 362,347,279.20 : x
  2. Step 2: Convert to fraction form
    409,698,672.30/614,548,008.45 = 362,347,279.20/x
  3. Step 3: Cross multiply
    409,698,672.30x = 614,548,008.45 × 362,347,279.20
  4. Step 4: Simplify right side
    409,698,672.30x = 222,679,798,799,636,128
  5. Step 5: Solve for x
    x = 222,679,798,799,636,128/409,698,672.30
  6. Step 6: Final answer
    x = 543,520,918.80

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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.