Home / 20,483,031,269.28-28,271,130,476.40-12,452,665,458.72

Finding the Fourth Proportional to 20,483,031,269.28, 28,271,130,476.40 and 12,452,665,458.72

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Solution

The fourth proportional to 20,483,031,269.28, 28,271,130,476.40 and 12,452,665,458.72 is: 17,187,442,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,031,269.28 : 28,271,130,476.40 = 12,452,665,458.72 : x
  2. Step 2: Convert to fraction form
    20,483,031,269.28/28,271,130,476.40 = 12,452,665,458.72/x
  3. Step 3: Cross multiply
    20,483,031,269.28x = 28,271,130,476.40 × 12,452,665,458.72
  4. Step 4: Simplify right side
    20,483,031,269.28x = 352,050,929,962,432,593,920
  5. Step 5: Solve for x
    x = 352,050,929,962,432,593,920/20,483,031,269.28
  6. Step 6: Final answer
    x = 17,187,442,880.61

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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.