Home / 440,051,660.40-660,077,490.60-133,303,915.20

Finding the Fourth Proportional to 440,051,660.40, 660,077,490.60 and 133,303,915.20

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Solution

The fourth proportional to 440,051,660.40, 660,077,490.60 and 133,303,915.20 is: 199,955,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,051,660.40 : 660,077,490.60 = 133,303,915.20 : x
  2. Step 2: Convert to fraction form
    440,051,660.40/660,077,490.60 = 133,303,915.20/x
  3. Step 3: Cross multiply
    440,051,660.40x = 660,077,490.60 × 133,303,915.20
  4. Step 4: Simplify right side
    440,051,660.40x = 87,990,913,832,371,200
  5. Step 5: Solve for x
    x = 87,990,913,832,371,200/440,051,660.40
  6. Step 6: Final answer
    x = 199,955,872.80

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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.