Home / 373,578,630.40-558,856,291.20-328,228,998.40

Finding the Fourth Proportional to 373,578,630.40, 558,856,291.20 and 328,228,998.40

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Solution

The fourth proportional to 373,578,630.40, 558,856,291.20 and 328,228,998.40 is: 491,015,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,578,630.40 : 558,856,291.20 = 328,228,998.40 : x
  2. Step 2: Convert to fraction form
    373,578,630.40/558,856,291.20 = 328,228,998.40/x
  3. Step 3: Cross multiply
    373,578,630.40x = 558,856,291.20 × 328,228,998.40
  4. Step 4: Simplify right side
    373,578,630.40x = 183,432,840,710,114,752
  5. Step 5: Solve for x
    x = 183,432,840,710,114,752/373,578,630.40
  6. Step 6: Final answer
    x = 491,015,346.66

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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.