Home / 477,131,006.20-715,696,509.30-354,686,999.80

Finding the Fourth Proportional to 477,131,006.20, 715,696,509.30 and 354,686,999.80

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Solution

The fourth proportional to 477,131,006.20, 715,696,509.30 and 354,686,999.80 is: 532,030,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,131,006.20 : 715,696,509.30 = 354,686,999.80 : x
  2. Step 2: Convert to fraction form
    477,131,006.20/715,696,509.30 = 354,686,999.80/x
  3. Step 3: Cross multiply
    477,131,006.20x = 715,696,509.30 × 354,686,999.80
  4. Step 4: Simplify right side
    477,131,006.20x = 253,848,247,650,949,792
  5. Step 5: Solve for x
    x = 253,848,247,650,949,792/477,131,006.20
  6. Step 6: Final answer
    x = 532,030,499.70

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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.