Home / 524,016,139.20-786,024,208.80-472,997,803.20

Finding the Fourth Proportional to 524,016,139.20, 786,024,208.80 and 472,997,803.20

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Solution

The fourth proportional to 524,016,139.20, 786,024,208.80 and 472,997,803.20 is: 709,496,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,016,139.20 : 786,024,208.80 = 472,997,803.20 : x
  2. Step 2: Convert to fraction form
    524,016,139.20/786,024,208.80 = 472,997,803.20/x
  3. Step 3: Cross multiply
    524,016,139.20x = 786,024,208.80 × 472,997,803.20
  4. Step 4: Simplify right side
    524,016,139.20x = 371,787,724,024,418,048
  5. Step 5: Solve for x
    x = 371,787,724,024,418,048/524,016,139.20
  6. Step 6: Final answer
    x = 709,496,704.80

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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.