Home / 591,123,311.40-885,173,312.70-436,934,562.60

Finding the Fourth Proportional to 591,123,311.40, 885,173,312.70 and 436,934,562.60

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Solution

The fourth proportional to 591,123,311.40, 885,173,312.70 and 436,934,562.60 is: 654,284,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,123,311.40 : 885,173,312.70 = 436,934,562.60 : x
  2. Step 2: Convert to fraction form
    591,123,311.40/885,173,312.70 = 436,934,562.60/x
  3. Step 3: Cross multiply
    591,123,311.40x = 885,173,312.70 × 436,934,562.60
  4. Step 4: Simplify right side
    591,123,311.40x = 386,762,814,209,767,552
  5. Step 5: Solve for x
    x = 386,762,814,209,767,552/591,123,311.40
  6. Step 6: Final answer
    x = 654,284,489.80

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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.