Home / 864,828,217.80-1,297,242,326.70-719,425,960.20

Finding the Fourth Proportional to 864,828,217.80, 1,297,242,326.70 and 719,425,960.20

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Solution

The fourth proportional to 864,828,217.80, 1,297,242,326.70 and 719,425,960.20 is: 1,079,138,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,828,217.80 : 1,297,242,326.70 = 719,425,960.20 : x
  2. Step 2: Convert to fraction form
    864,828,217.80/1,297,242,326.70 = 719,425,960.20/x
  3. Step 3: Cross multiply
    864,828,217.80x = 1,297,242,326.70 × 719,425,960.20
  4. Step 4: Simplify right side
    864,828,217.80x = 933,269,806,498,229,632
  5. Step 5: Solve for x
    x = 933,269,806,498,229,632/864,828,217.80
  6. Step 6: Final answer
    x = 1,079,138,940.30

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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.