Home / 442,624,643.20-664,362,117.60-224,521,256.80

Finding the Fourth Proportional to 442,624,643.20, 664,362,117.60 and 224,521,256.80

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Solution

The fourth proportional to 442,624,643.20, 664,362,117.60 and 224,521,256.80 is: 336,997,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,624,643.20 : 664,362,117.60 = 224,521,256.80 : x
  2. Step 2: Convert to fraction form
    442,624,643.20/664,362,117.60 = 224,521,256.80/x
  3. Step 3: Cross multiply
    442,624,643.20x = 664,362,117.60 × 224,521,256.80
  4. Step 4: Simplify right side
    442,624,643.20x = 149,163,417,613,861,408
  5. Step 5: Solve for x
    x = 149,163,417,613,861,408/442,624,643.20
  6. Step 6: Final answer
    x = 336,997,543.87

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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.