Home / 384,918,409.60-577,377,614.40-262,474,403.20

Finding the Fourth Proportional to 384,918,409.60, 577,377,614.40 and 262,474,403.20

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Solution

The fourth proportional to 384,918,409.60, 577,377,614.40 and 262,474,403.20 is: 393,711,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,918,409.60 : 577,377,614.40 = 262,474,403.20 : x
  2. Step 2: Convert to fraction form
    384,918,409.60/577,377,614.40 = 262,474,403.20/x
  3. Step 3: Cross multiply
    384,918,409.60x = 577,377,614.40 × 262,474,403.20
  4. Step 4: Simplify right side
    384,918,409.60x = 151,546,844,760,679,712
  5. Step 5: Solve for x
    x = 151,546,844,760,679,712/384,918,409.60
  6. Step 6: Final answer
    x = 393,711,604.80

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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.