Home / 516,235,478.40-774,353,217.60-459,800,380.80

Finding the Fourth Proportional to 516,235,478.40, 774,353,217.60 and 459,800,380.80

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Solution

The fourth proportional to 516,235,478.40, 774,353,217.60 and 459,800,380.80 is: 689,700,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,235,478.40 : 774,353,217.60 = 459,800,380.80 : x
  2. Step 2: Convert to fraction form
    516,235,478.40/774,353,217.60 = 459,800,380.80/x
  3. Step 3: Cross multiply
    516,235,478.40x = 774,353,217.60 × 459,800,380.80
  4. Step 4: Simplify right side
    516,235,478.40x = 356,047,904,326,185,280
  5. Step 5: Solve for x
    x = 356,047,904,326,185,280/516,235,478.40
  6. Step 6: Final answer
    x = 689,700,571.20

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1.5x scale

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.