Home / 284,355,565.60-426,533,348.40-79,883,640.85

Finding the Fourth Proportional to 284,355,565.60, 426,533,348.40 and 79,883,640.85

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Solution

The fourth proportional to 284,355,565.60, 426,533,348.40 and 79,883,640.85 is: 119,825,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,355,565.60 : 426,533,348.40 = 79,883,640.85 : x
  2. Step 2: Convert to fraction form
    284,355,565.60/426,533,348.40 = 79,883,640.85/x
  3. Step 3: Cross multiply
    284,355,565.60x = 426,533,348.40 × 79,883,640.85
  4. Step 4: Simplify right side
    284,355,565.60x = 34,073,036,814,133,516
  5. Step 5: Solve for x
    x = 34,073,036,814,133,516/284,355,565.60
  6. Step 6: Final answer
    x = 119,825,461.28

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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.