Home / 386,340,966.40-579,539,443.20-232,656,102.40

Finding the Fourth Proportional to 386,340,966.40, 579,539,443.20 and 232,656,102.40

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Solution

The fourth proportional to 386,340,966.40, 579,539,443.20 and 232,656,102.40 is: 349,001,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,340,966.40 : 579,539,443.20 = 232,656,102.40 : x
  2. Step 2: Convert to fraction form
    386,340,966.40/579,539,443.20 = 232,656,102.40/x
  3. Step 3: Cross multiply
    386,340,966.40x = 579,539,443.20 × 232,656,102.40
  4. Step 4: Simplify right side
    386,340,966.40x = 134,833,388,041,978,192
  5. Step 5: Solve for x
    x = 134,833,388,041,978,192/386,340,966.40
  6. Step 6: Final answer
    x = 349,001,011.46

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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.