Home / 880,253,273.20-1,320,379,909.80-472,106,585.20

Finding the Fourth Proportional to 880,253,273.20, 1,320,379,909.80 and 472,106,585.20

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Solution

The fourth proportional to 880,253,273.20, 1,320,379,909.80 and 472,106,585.20 is: 708,159,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,253,273.20 : 1,320,379,909.80 = 472,106,585.20 : x
  2. Step 2: Convert to fraction form
    880,253,273.20/1,320,379,909.80 = 472,106,585.20/x
  3. Step 3: Cross multiply
    880,253,273.20x = 1,320,379,909.80 × 472,106,585.20
  4. Step 4: Simplify right side
    880,253,273.20x = 623,360,050,382,361,984
  5. Step 5: Solve for x
    x = 623,360,050,382,361,984/880,253,273.20
  6. Step 6: Final answer
    x = 708,159,877.80

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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.