Home / 21,170,120,008.40-31,755,180,012.60-21,170,120,008.40

Finding the Fourth Proportional to 21,170,120,008.40, 31,755,180,012.60 and 21,170,120,008.40

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Solution

The fourth proportional to 21,170,120,008.40, 31,755,180,012.60 and 21,170,120,008.40 is: 31,755,180,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,170,120,008.40 : 31,755,180,012.60 = 21,170,120,008.40 : x
  2. Step 2: Convert to fraction form
    21,170,120,008.40/31,755,180,012.60 = 21,170,120,008.40/x
  3. Step 3: Cross multiply
    21,170,120,008.40x = 31,755,180,012.60 × 21,170,120,008.40
  4. Step 4: Simplify right side
    21,170,120,008.40x = 672,260,971,755,087,069,184
  5. Step 5: Solve for x
    x = 672,260,971,755,087,069,184/21,170,120,008.40
  6. Step 6: Final answer
    x = 31,755,180,012.60

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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.