Home / 21,730,032,017.40-32,595,048,026.10-20,872,923,972.60

Finding the Fourth Proportional to 21,730,032,017.40, 32,595,048,026.10 and 20,872,923,972.60

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Solution

The fourth proportional to 21,730,032,017.40, 32,595,048,026.10 and 20,872,923,972.60 is: 31,309,385,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,032,017.40 : 32,595,048,026.10 = 20,872,923,972.60 : x
  2. Step 2: Convert to fraction form
    21,730,032,017.40/32,595,048,026.10 = 20,872,923,972.60/x
  3. Step 3: Cross multiply
    21,730,032,017.40x = 32,595,048,026.10 × 20,872,923,972.60
  4. Step 4: Simplify right side
    21,730,032,017.40x = 680,353,959,332,030,971,904
  5. Step 5: Solve for x
    x = 680,353,959,332,030,971,904/21,730,032,017.40
  6. Step 6: Final answer
    x = 31,309,385,958.90

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1.5x scale

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.