Home / 564,398,463.21-778,694,161.61-326,156,853.61

Finding the Fourth Proportional to 564,398,463.21, 778,694,161.61 and 326,156,853.61

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Solution

The fourth proportional to 564,398,463.21, 778,694,161.61 and 326,156,853.61 is: 449,994,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,398,463.21 : 778,694,161.61 = 326,156,853.61 : x
  2. Step 2: Convert to fraction form
    564,398,463.21/778,694,161.61 = 326,156,853.61/x
  3. Step 3: Cross multiply
    564,398,463.21x = 778,694,161.61 × 326,156,853.61
  4. Step 4: Simplify right side
    564,398,463.21x = 253,976,437,676,983,168
  5. Step 5: Solve for x
    x = 253,976,437,676,983,168/564,398,463.21
  6. Step 6: Final answer
    x = 449,994,913.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.