Home / 788,163,775.20-1,180,230,123.60-582,578,776.80

Finding the Fourth Proportional to 788,163,775.20, 1,180,230,123.60 and 582,578,776.80

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Solution

The fourth proportional to 788,163,775.20, 1,180,230,123.60 and 582,578,776.80 is: 872,378,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,163,775.20 : 1,180,230,123.60 = 582,578,776.80 : x
  2. Step 2: Convert to fraction form
    788,163,775.20/1,180,230,123.60 = 582,578,776.80/x
  3. Step 3: Cross multiply
    788,163,775.20x = 1,180,230,123.60 × 582,578,776.80
  4. Step 4: Simplify right side
    788,163,775.20x = 687,577,021,749,400,704
  5. Step 5: Solve for x
    x = 687,577,021,749,400,704/788,163,775.20
  6. Step 6: Final answer
    x = 872,378,360.16

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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.