Home / 356,616,008.40-534,924,012.60-299,220,380.40

Finding the Fourth Proportional to 356,616,008.40, 534,924,012.60 and 299,220,380.40

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Solution

The fourth proportional to 356,616,008.40, 534,924,012.60 and 299,220,380.40 is: 448,830,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616,008.40 : 534,924,012.60 = 299,220,380.40 : x
  2. Step 2: Convert to fraction form
    356,616,008.40/534,924,012.60 = 299,220,380.40/x
  3. Step 3: Cross multiply
    356,616,008.40x = 534,924,012.60 × 299,220,380.40
  4. Step 4: Simplify right side
    356,616,008.40x = 160,060,166,535,266,400
  5. Step 5: Solve for x
    x = 160,060,166,535,266,400/356,616,008.40
  6. Step 6: Final answer
    x = 448,830,570.60

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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.