Home / 408,812,939.42-564,164,148.60-232,600,931.06

Finding the Fourth Proportional to 408,812,939.42, 564,164,148.60 and 232,600,931.06

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Solution

The fourth proportional to 408,812,939.42, 564,164,148.60 and 232,600,931.06 is: 320,990,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,812,939.42 : 564,164,148.60 = 232,600,931.06 : x
  2. Step 2: Convert to fraction form
    408,812,939.42/564,164,148.60 = 232,600,931.06/x
  3. Step 3: Cross multiply
    408,812,939.42x = 564,164,148.60 × 232,600,931.06
  4. Step 4: Simplify right side
    408,812,939.42x = 131,225,106,235,032,208
  5. Step 5: Solve for x
    x = 131,225,106,235,032,208/408,812,939.42
  6. Step 6: Final answer
    x = 320,990,589.05

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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.