Home / 905,390,530,939.14-1,249,442,817,099.50-493,867,977,706.68

Finding the Fourth Proportional to 905,390,530,939.14, 1,249,442,817,099.50 and 493,867,977,706.68

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Solution

The fourth proportional to 905,390,530,939.14, 1,249,442,817,099.50 and 493,867,977,706.68 is: 681,539,928,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,390,530,939.14 : 1,249,442,817,099.50 = 493,867,977,706.68 : x
  2. Step 2: Convert to fraction form
    905,390,530,939.14/1,249,442,817,099.50 = 493,867,977,706.68/x
  3. Step 3: Cross multiply
    905,390,530,939.14x = 1,249,442,817,099.50 × 493,867,977,706.68
  4. Step 4: Simplify right side
    905,390,530,939.14x = 617,059,797,341,067,351,687,168
  5. Step 5: Solve for x
    x = 617,059,797,341,067,351,687,168/905,390,530,939.14
  6. Step 6: Final answer
    x = 681,539,928,080.54

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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.