Home / 20,997,391,461.60-31,496,087,192.40-19,401,084,415.20

Finding the Fourth Proportional to 20,997,391,461.60, 31,496,087,192.40 and 19,401,084,415.20

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Solution

The fourth proportional to 20,997,391,461.60, 31,496,087,192.40 and 19,401,084,415.20 is: 29,101,626,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,391,461.60 : 31,496,087,192.40 = 19,401,084,415.20 : x
  2. Step 2: Convert to fraction form
    20,997,391,461.60/31,496,087,192.40 = 19,401,084,415.20/x
  3. Step 3: Cross multiply
    20,997,391,461.60x = 31,496,087,192.40 × 19,401,084,415.20
  4. Step 4: Simplify right side
    20,997,391,461.60x = 611,058,246,368,252,002,304
  5. Step 5: Solve for x
    x = 611,058,246,368,252,002,304/20,997,391,461.60
  6. Step 6: Final answer
    x = 29,101,626,622.80

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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.