Home / 513,216,877.60-769,825,316.40-240,615,200.80

Finding the Fourth Proportional to 513,216,877.60, 769,825,316.40 and 240,615,200.80

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Solution

The fourth proportional to 513,216,877.60, 769,825,316.40 and 240,615,200.80 is: 360,922,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,216,877.60 : 769,825,316.40 = 240,615,200.80 : x
  2. Step 2: Convert to fraction form
    513,216,877.60/769,825,316.40 = 240,615,200.80/x
  3. Step 3: Cross multiply
    513,216,877.60x = 769,825,316.40 × 240,615,200.80
  4. Step 4: Simplify right side
    513,216,877.60x = 185,231,673,086,509,536
  5. Step 5: Solve for x
    x = 185,231,673,086,509,536/513,216,877.60
  6. Step 6: Final answer
    x = 360,922,801.20

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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.