Home / 1,432,387,423,167-1,976,867,978,002.20-815,240,191,689.28

Finding the Fourth Proportional to 1,432,387,423,167, 1,976,867,978,002.20 and 815,240,191,689.28

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Solution

The fourth proportional to 1,432,387,423,167, 1,976,867,978,002.20 and 815,240,191,689.28 is: 1,125,130,117,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,387,423,167 : 1,976,867,978,002.20 = 815,240,191,689.28 : x
  2. Step 2: Convert to fraction form
    1,432,387,423,167/1,976,867,978,002.20 = 815,240,191,689.28/x
  3. Step 3: Cross multiply
    1,432,387,423,167x = 1,976,867,978,002.20 × 815,240,191,689.28
  4. Step 4: Simplify right side
    1,432,387,423,167x = 1,611,622,229,330,912,945,897,472
  5. Step 5: Solve for x
    x = 1,611,622,229,330,912,945,897,472/1,432,387,423,167
  6. Step 6: Final answer
    x = 1,125,130,117,219.00

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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.