Home / 763,797,623.80-1,053,856,855.20-446,077,689.88

Finding the Fourth Proportional to 763,797,623.80, 1,053,856,855.20 and 446,077,689.88

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Solution

The fourth proportional to 763,797,623.80, 1,053,856,855.20 and 446,077,689.88 is: 615,479,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,797,623.80 : 1,053,856,855.20 = 446,077,689.88 : x
  2. Step 2: Convert to fraction form
    763,797,623.80/1,053,856,855.20 = 446,077,689.88/x
  3. Step 3: Cross multiply
    763,797,623.80x = 1,053,856,855.20 × 446,077,689.88
  4. Step 4: Simplify right side
    763,797,623.80x = 470,102,031,431,817,664
  5. Step 5: Solve for x
    x = 470,102,031,431,817,664/763,797,623.80
  6. Step 6: Final answer
    x = 615,479,829.71

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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.