Home / 20,588,376,130.24-30,868,465,551.36-10,484,530,876.48

Finding the Fourth Proportional to 20,588,376,130.24, 30,868,465,551.36 and 10,484,530,876.48

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Solution

The fourth proportional to 20,588,376,130.24, 30,868,465,551.36 and 10,484,530,876.48 is: 15,719,616,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,376,130.24 : 30,868,465,551.36 = 10,484,530,876.48 : x
  2. Step 2: Convert to fraction form
    20,588,376,130.24/30,868,465,551.36 = 10,484,530,876.48/x
  3. Step 3: Cross multiply
    20,588,376,130.24x = 30,868,465,551.36 × 10,484,530,876.48
  4. Step 4: Simplify right side
    20,588,376,130.24x = 323,641,380,182,793,125,888
  5. Step 5: Solve for x
    x = 323,641,380,182,793,125,888/20,588,376,130.24
  6. Step 6: Final answer
    x = 15,719,616,648.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.