Home / 408,812,905.89-564,164,102.34-232,600,897.58

Finding the Fourth Proportional to 408,812,905.89, 564,164,102.34 and 232,600,897.58

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Solution

The fourth proportional to 408,812,905.89, 564,164,102.34 and 232,600,897.58 is: 320,990,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,812,905.89 : 564,164,102.34 = 232,600,897.58 : x
  2. Step 2: Convert to fraction form
    408,812,905.89/564,164,102.34 = 232,600,897.58/x
  3. Step 3: Cross multiply
    408,812,905.89x = 564,164,102.34 × 232,600,897.58
  4. Step 4: Simplify right side
    408,812,905.89x = 131,225,076,583,878,160
  5. Step 5: Solve for x
    x = 131,225,076,583,878,160/408,812,905.89
  6. Step 6: Final answer
    x = 320,990,542.85

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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.