Home / 516,202,562.40-774,303,843.60-459,767,464.80

Finding the Fourth Proportional to 516,202,562.40, 774,303,843.60 and 459,767,464.80

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Solution

The fourth proportional to 516,202,562.40, 774,303,843.60 and 459,767,464.80 is: 689,651,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,202,562.40 : 774,303,843.60 = 459,767,464.80 : x
  2. Step 2: Convert to fraction form
    516,202,562.40/774,303,843.60 = 459,767,464.80/x
  3. Step 3: Cross multiply
    516,202,562.40x = 774,303,843.60 × 459,767,464.80
  4. Step 4: Simplify right side
    516,202,562.40x = 355,999,715,156,867,712
  5. Step 5: Solve for x
    x = 355,999,715,156,867,712/516,202,562.40
  6. Step 6: Final answer
    x = 689,651,197.20

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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.