Home / 513,216,606.60-769,824,909.90-240,614,929.80

Finding the Fourth Proportional to 513,216,606.60, 769,824,909.90 and 240,614,929.80

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Solution

The fourth proportional to 513,216,606.60, 769,824,909.90 and 240,614,929.80 is: 360,922,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,216,606.60 : 769,824,909.90 = 240,614,929.80 : x
  2. Step 2: Convert to fraction form
    513,216,606.60/769,824,909.90 = 240,614,929.80/x
  3. Step 3: Cross multiply
    513,216,606.60x = 769,824,909.90 × 240,614,929.80
  4. Step 4: Simplify right side
    513,216,606.60x = 185,231,366,653,879,840
  5. Step 5: Solve for x
    x = 185,231,366,653,879,840/513,216,606.60
  6. Step 6: Final answer
    x = 360,922,394.70

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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.