Home / 513,217,287.60-769,825,931.40-240,615,610.80

Finding the Fourth Proportional to 513,217,287.60, 769,825,931.40 and 240,615,610.80

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Solution

The fourth proportional to 513,217,287.60, 769,825,931.40 and 240,615,610.80 is: 360,923,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,217,287.60 : 769,825,931.40 = 240,615,610.80 : x
  2. Step 2: Convert to fraction form
    513,217,287.60/769,825,931.40 = 240,615,610.80/x
  3. Step 3: Cross multiply
    513,217,287.60x = 769,825,931.40 × 240,615,610.80
  4. Step 4: Simplify right side
    513,217,287.60x = 185,232,136,693,489,888
  5. Step 5: Solve for x
    x = 185,232,136,693,489,888/513,217,287.60
  6. Step 6: Final answer
    x = 360,923,416.20

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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.