Home / 896,861,764.80-1,344,284,877.60-459,993,643.20

Finding the Fourth Proportional to 896,861,764.80, 1,344,284,877.60 and 459,993,643.20

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Solution

The fourth proportional to 896,861,764.80, 1,344,284,877.60 and 459,993,643.20 is: 689,473,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,861,764.80 : 1,344,284,877.60 = 459,993,643.20 : x
  2. Step 2: Convert to fraction form
    896,861,764.80/1,344,284,877.60 = 459,993,643.20/x
  3. Step 3: Cross multiply
    896,861,764.80x = 1,344,284,877.60 × 459,993,643.20
  4. Step 4: Simplify right side
    896,861,764.80x = 618,362,498,345,890,048
  5. Step 5: Solve for x
    x = 618,362,498,345,890,048/896,861,764.80
  6. Step 6: Final answer
    x = 689,473,587.36

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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.