Home / 905,390,530,885.17-1,249,442,817,024.90-493,867,977,652.74

Finding the Fourth Proportional to 905,390,530,885.17, 1,249,442,817,024.90 and 493,867,977,652.74

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Solution

The fourth proportional to 905,390,530,885.17, 1,249,442,817,024.90 and 493,867,977,652.74 is: 681,539,928,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,390,530,885.17 : 1,249,442,817,024.90 = 493,867,977,652.74 : x
  2. Step 2: Convert to fraction form
    905,390,530,885.17/1,249,442,817,024.90 = 493,867,977,652.74/x
  3. Step 3: Cross multiply
    905,390,530,885.17x = 1,249,442,817,024.90 × 493,867,977,652.74
  4. Step 4: Simplify right side
    905,390,530,885.17x = 617,059,797,236,829,703,372,800
  5. Step 5: Solve for x
    x = 617,059,797,236,829,703,372,800/905,390,530,885.17
  6. Step 6: Final answer
    x = 681,539,928,006.04

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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.