Home / 534,923,999.55-802,385,999.33-347,670,763.20

Finding the Fourth Proportional to 534,923,999.55, 802,385,999.33 and 347,670,763.20

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Solution

The fourth proportional to 534,923,999.55, 802,385,999.33 and 347,670,763.20 is: 521,506,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,923,999.55 : 802,385,999.33 = 347,670,763.20 : x
  2. Step 2: Convert to fraction form
    534,923,999.55/802,385,999.33 = 347,670,763.20/x
  3. Step 3: Cross multiply
    534,923,999.55x = 802,385,999.33 × 347,670,763.20
  4. Step 4: Simplify right side
    534,923,999.55x = 278,966,152,766,317,440
  5. Step 5: Solve for x
    x = 278,966,152,766,317,440/534,923,999.55
  6. Step 6: Final answer
    x = 521,506,144.80

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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.