Home / 733,231,581.92-1,011,864,846.86-398,701,707.20

Finding the Fourth Proportional to 733,231,581.92, 1,011,864,846.86 and 398,701,707.20

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Solution

The fourth proportional to 733,231,581.92, 1,011,864,846.86 and 398,701,707.20 is: 550,211,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,231,581.92 : 1,011,864,846.86 = 398,701,707.20 : x
  2. Step 2: Convert to fraction form
    733,231,581.92/1,011,864,846.86 = 398,701,707.20/x
  3. Step 3: Cross multiply
    733,231,581.92x = 1,011,864,846.86 × 398,701,707.20
  4. Step 4: Simplify right side
    733,231,581.92x = 403,432,241,896,965,440
  5. Step 5: Solve for x
    x = 403,432,241,896,965,440/733,231,581.92
  6. Step 6: Final answer
    x = 550,211,218.18

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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.