Home / 715,391,998.80-1,073,087,998.20-533,993,470.80

Finding the Fourth Proportional to 715,391,998.80, 1,073,087,998.20 and 533,993,470.80

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Solution

The fourth proportional to 715,391,998.80, 1,073,087,998.20 and 533,993,470.80 is: 800,990,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,391,998.80 : 1,073,087,998.20 = 533,993,470.80 : x
  2. Step 2: Convert to fraction form
    715,391,998.80/1,073,087,998.20 = 533,993,470.80/x
  3. Step 3: Cross multiply
    715,391,998.80x = 1,073,087,998.20 × 533,993,470.80
  4. Step 4: Simplify right side
    715,391,998.80x = 573,021,984,632,642,176
  5. Step 5: Solve for x
    x = 573,021,984,632,642,176/715,391,998.80
  6. Step 6: Final answer
    x = 800,990,206.20

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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.