Home / 750,789,800.96-1,126,833,059.45-520,920,310.82

Finding the Fourth Proportional to 750,789,800.96, 1,126,833,059.45 and 520,920,310.82

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Solution

The fourth proportional to 750,789,800.96, 1,126,833,059.45 and 520,920,310.82 is: 781,830,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,789,800.96 : 1,126,833,059.45 = 520,920,310.82 : x
  2. Step 2: Convert to fraction form
    750,789,800.96/1,126,833,059.45 = 520,920,310.82/x
  3. Step 3: Cross multiply
    750,789,800.96x = 1,126,833,059.45 × 520,920,310.82
  4. Step 4: Simplify right side
    750,789,800.96x = 586,990,227,566,613,760
  5. Step 5: Solve for x
    x = 586,990,227,566,613,760/750,789,800.96
  6. Step 6: Final answer
    x = 781,830,316.31

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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.