Home / 817,227,296.10-1,127,797,595.37-445,973,256.90

Finding the Fourth Proportional to 817,227,296.10, 1,127,797,595.37 and 445,973,256.90

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Solution

The fourth proportional to 817,227,296.10, 1,127,797,595.37 and 445,973,256.90 is: 615,456,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,227,296.10 : 1,127,797,595.37 = 445,973,256.90 : x
  2. Step 2: Convert to fraction form
    817,227,296.10/1,127,797,595.37 = 445,973,256.90/x
  3. Step 3: Cross multiply
    817,227,296.10x = 1,127,797,595.37 × 445,973,256.90
  4. Step 4: Simplify right side
    817,227,296.10x = 502,967,566,731,147,200
  5. Step 5: Solve for x
    x = 502,967,566,731,147,200/817,227,296.10
  6. Step 6: Final answer
    x = 615,456,151.71

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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.