Home / 31,243,585,290.40-43,116,496,209.17-18,386,067,073.60

Finding the Fourth Proportional to 31,243,585,290.40, 43,116,496,209.17 and 18,386,067,073.60

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Solution

The fourth proportional to 31,243,585,290.40, 43,116,496,209.17 and 18,386,067,073.60 is: 25,372,977,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,585,290.40 : 43,116,496,209.17 = 18,386,067,073.60 : x
  2. Step 2: Convert to fraction form
    31,243,585,290.40/43,116,496,209.17 = 18,386,067,073.60/x
  3. Step 3: Cross multiply
    31,243,585,290.40x = 43,116,496,209.17 × 18,386,067,073.60
  4. Step 4: Simplify right side
    31,243,585,290.40x = 792,742,791,280,419,667,968
  5. Step 5: Solve for x
    x = 792,742,791,280,419,667,968/31,243,585,290.40
  6. Step 6: Final answer
    x = 25,372,977,650.04

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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.