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Finding the Fourth Proportional to 577,368,015.60, 866,052,023.40 and 359,264,629.20

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Solution

The fourth proportional to 577,368,015.60, 866,052,023.40 and 359,264,629.20 is: 538,896,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,015.60 : 866,052,023.40 = 359,264,629.20 : x
  2. Step 2: Convert to fraction form
    577,368,015.60/866,052,023.40 = 359,264,629.20/x
  3. Step 3: Cross multiply
    577,368,015.60x = 866,052,023.40 × 359,264,629.20
  4. Step 4: Simplify right side
    577,368,015.60x = 311,141,859,054,710,720
  5. Step 5: Solve for x
    x = 311,141,859,054,710,720/577,368,015.60
  6. Step 6: Final answer
    x = 538,896,943.80

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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.