Home / 1,072,751,909.24-1,480,264,815.30-620,707,582.28

Finding the Fourth Proportional to 1,072,751,909.24, 1,480,264,815.30 and 620,707,582.28

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Solution

The fourth proportional to 1,072,751,909.24, 1,480,264,815.30 and 620,707,582.28 is: 856,499,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,751,909.24 : 1,480,264,815.30 = 620,707,582.28 : x
  2. Step 2: Convert to fraction form
    1,072,751,909.24/1,480,264,815.30 = 620,707,582.28/x
  3. Step 3: Cross multiply
    1,072,751,909.24x = 1,480,264,815.30 × 620,707,582.28
  4. Step 4: Simplify right side
    1,072,751,909.24x = 918,811,594,639,013,632
  5. Step 5: Solve for x
    x = 918,811,594,639,013,632/1,072,751,909.24
  6. Step 6: Final answer
    x = 856,499,612.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.