Home / 524,880,015.60-787,320,023.40-517,227,265.20

Finding the Fourth Proportional to 524,880,015.60, 787,320,023.40 and 517,227,265.20

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Solution

The fourth proportional to 524,880,015.60, 787,320,023.40 and 517,227,265.20 is: 775,840,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,880,015.60 : 787,320,023.40 = 517,227,265.20 : x
  2. Step 2: Convert to fraction form
    524,880,015.60/787,320,023.40 = 517,227,265.20/x
  3. Step 3: Cross multiply
    524,880,015.60x = 787,320,023.40 × 517,227,265.20
  4. Step 4: Simplify right side
    524,880,015.60x = 407,223,382,540,381,952
  5. Step 5: Solve for x
    x = 407,223,382,540,381,952/524,880,015.60
  6. Step 6: Final answer
    x = 775,840,897.80

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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.