Home / 342,069,439.80-513,104,159.70-299,022,718.80

Finding the Fourth Proportional to 342,069,439.80, 513,104,159.70 and 299,022,718.80

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Solution

The fourth proportional to 342,069,439.80, 513,104,159.70 and 299,022,718.80 is: 448,534,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,069,439.80 : 513,104,159.70 = 299,022,718.80 : x
  2. Step 2: Convert to fraction form
    342,069,439.80/513,104,159.70 = 299,022,718.80/x
  3. Step 3: Cross multiply
    342,069,439.80x = 513,104,159.70 × 299,022,718.80
  4. Step 4: Simplify right side
    342,069,439.80x = 153,429,800,861,083,392
  5. Step 5: Solve for x
    x = 153,429,800,861,083,392/342,069,439.80
  6. Step 6: Final answer
    x = 448,534,078.20

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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.