Home / 847,386,260.31-1,271,055,893.89-225,606,826.71

Finding the Fourth Proportional to 847,386,260.31, 1,271,055,893.89 and 225,606,826.71

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Solution

The fourth proportional to 847,386,260.31, 1,271,055,893.89 and 225,606,826.71 is: 338,403,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,386,260.31 : 1,271,055,893.89 = 225,606,826.71 : x
  2. Step 2: Convert to fraction form
    847,386,260.31/1,271,055,893.89 = 225,606,826.71/x
  3. Step 3: Cross multiply
    847,386,260.31x = 1,271,055,893.89 × 225,606,826.71
  4. Step 4: Simplify right side
    847,386,260.31x = 286,758,886,791,565,408
  5. Step 5: Solve for x
    x = 286,758,886,791,565,408/847,386,260.31
  6. Step 6: Final answer
    x = 338,403,984.37

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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.