Home / 4,191,990,824.80-6,287,319,869.03-1,393,726,621.15

Finding the Fourth Proportional to 4,191,990,824.80, 6,287,319,869.03 and 1,393,726,621.15

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Solution

The fourth proportional to 4,191,990,824.80, 6,287,319,869.03 and 1,393,726,621.15 is: 2,090,368,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,990,824.80 : 6,287,319,869.03 = 1,393,726,621.15 : x
  2. Step 2: Convert to fraction form
    4,191,990,824.80/6,287,319,869.03 = 1,393,726,621.15/x
  3. Step 3: Cross multiply
    4,191,990,824.80x = 6,287,319,869.03 × 1,393,726,621.15
  4. Step 4: Simplify right side
    4,191,990,824.80x = 8,762,805,077,129,755,648
  5. Step 5: Solve for x
    x = 8,762,805,077,129,755,648/4,191,990,824.80
  6. Step 6: Final answer
    x = 2,090,368,381.84

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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.