Home / 905,390,530,886.68-1,249,442,817,026.90-493,867,977,654.24

Finding the Fourth Proportional to 905,390,530,886.68, 1,249,442,817,026.90 and 493,867,977,654.24

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Solution

The fourth proportional to 905,390,530,886.68, 1,249,442,817,026.90 and 493,867,977,654.24 is: 681,539,928,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,390,530,886.68 : 1,249,442,817,026.90 = 493,867,977,654.24 : x
  2. Step 2: Convert to fraction form
    905,390,530,886.68/1,249,442,817,026.90 = 493,867,977,654.24/x
  3. Step 3: Cross multiply
    905,390,530,886.68x = 1,249,442,817,026.90 × 493,867,977,654.24
  4. Step 4: Simplify right side
    905,390,530,886.68x = 617,059,797,239,691,627,986,944
  5. Step 5: Solve for x
    x = 617,059,797,239,691,627,986,944/905,390,530,886.68
  6. Step 6: Final answer
    x = 681,539,928,008.07

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Double scale
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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.