Home / 386,323,309.80-579,484,964.70-232,890,388.20

Finding the Fourth Proportional to 386,323,309.80, 579,484,964.70 and 232,890,388.20

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Solution

The fourth proportional to 386,323,309.80, 579,484,964.70 and 232,890,388.20 is: 349,335,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,323,309.80 : 579,484,964.70 = 232,890,388.20 : x
  2. Step 2: Convert to fraction form
    386,323,309.80/579,484,964.70 = 232,890,388.20/x
  3. Step 3: Cross multiply
    386,323,309.80x = 579,484,964.70 × 232,890,388.20
  4. Step 4: Simplify right side
    386,323,309.80x = 134,956,478,385,046,304
  5. Step 5: Solve for x
    x = 134,956,478,385,046,304/386,323,309.80
  6. Step 6: Final answer
    x = 349,335,582.30

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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.