Home / 20,452,837,931.60-28,244,409,545.76-19,338,581,464.52

Finding the Fourth Proportional to 20,452,837,931.60, 28,244,409,545.76 and 19,338,581,464.52

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Solution

The fourth proportional to 20,452,837,931.60, 28,244,409,545.76 and 19,338,581,464.52 is: 26,705,673,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452,837,931.60 : 28,244,409,545.76 = 19,338,581,464.52 : x
  2. Step 2: Convert to fraction form
    20,452,837,931.60/28,244,409,545.76 = 19,338,581,464.52/x
  3. Step 3: Cross multiply
    20,452,837,931.60x = 28,244,409,545.76 × 19,338,581,464.52
  4. Step 4: Simplify right side
    20,452,837,931.60x = 546,206,814,917,946,048,512
  5. Step 5: Solve for x
    x = 546,206,814,917,946,048,512/20,452,837,931.60
  6. Step 6: Final answer
    x = 26,705,673,645.13

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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.