Home / 905,390,530,886.62-1,249,442,817,027-493,867,977,654.23

Finding the Fourth Proportional to 905,390,530,886.62, 1,249,442,817,027 and 493,867,977,654.23

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Solution

The fourth proportional to 905,390,530,886.62, 1,249,442,817,027 and 493,867,977,654.23 is: 681,539,928,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,390,530,886.62 : 1,249,442,817,027 = 493,867,977,654.23 : x
  2. Step 2: Convert to fraction form
    905,390,530,886.62/1,249,442,817,027 = 493,867,977,654.23/x
  3. Step 3: Cross multiply
    905,390,530,886.62x = 1,249,442,817,027 × 493,867,977,654.23
  4. Step 4: Simplify right side
    905,390,530,886.62x = 617,059,797,239,728,537,862,144
  5. Step 5: Solve for x
    x = 617,059,797,239,728,537,862,144/905,390,530,886.62
  6. Step 6: Final answer
    x = 681,539,928,008.15

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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.