Home / 399,635,392.16-599,446,289.40-119,516,947.16

Finding the Fourth Proportional to 399,635,392.16, 599,446,289.40 and 119,516,947.16

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Solution

The fourth proportional to 399,635,392.16, 599,446,289.40 and 119,516,947.16 is: 179,273,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,635,392.16 : 599,446,289.40 = 119,516,947.16 : x
  2. Step 2: Convert to fraction form
    399,635,392.16/599,446,289.40 = 119,516,947.16/x
  3. Step 3: Cross multiply
    399,635,392.16x = 599,446,289.40 × 119,516,947.16
  4. Step 4: Simplify right side
    399,635,392.16x = 71,643,990,492,480,632
  5. Step 5: Solve for x
    x = 71,643,990,492,480,632/399,635,392.16
  6. Step 6: Final answer
    x = 179,273,387.44

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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.