Home / 384,929,807.80-577,394,711.70-320,306,582.20

Finding the Fourth Proportional to 384,929,807.80, 577,394,711.70 and 320,306,582.20

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Solution

The fourth proportional to 384,929,807.80, 577,394,711.70 and 320,306,582.20 is: 480,459,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,929,807.80 : 577,394,711.70 = 320,306,582.20 : x
  2. Step 2: Convert to fraction form
    384,929,807.80/577,394,711.70 = 320,306,582.20/x
  3. Step 3: Cross multiply
    384,929,807.80x = 577,394,711.70 × 320,306,582.20
  4. Step 4: Simplify right side
    384,929,807.80x = 184,943,326,684,981,376
  5. Step 5: Solve for x
    x = 184,943,326,684,981,376/384,929,807.80
  6. Step 6: Final answer
    x = 480,459,873.30

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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.