Home / 905,390,530,886.20-1,249,442,817,026.30-493,867,977,653.72

Finding the Fourth Proportional to 905,390,530,886.20, 1,249,442,817,026.30 and 493,867,977,653.72

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Solution

The fourth proportional to 905,390,530,886.20, 1,249,442,817,026.30 and 493,867,977,653.72 is: 681,539,928,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,390,530,886.20 : 1,249,442,817,026.30 = 493,867,977,653.72 : x
  2. Step 2: Convert to fraction form
    905,390,530,886.20/1,249,442,817,026.30 = 493,867,977,653.72/x
  3. Step 3: Cross multiply
    905,390,530,886.20x = 1,249,442,817,026.30 × 493,867,977,653.72
  4. Step 4: Simplify right side
    905,390,530,886.20x = 617,059,797,238,745,661,440,000
  5. Step 5: Solve for x
    x = 617,059,797,238,745,661,440,000/905,390,530,886.20
  6. Step 6: Final answer
    x = 681,539,928,007.38

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Double scale
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1.5x scale

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.