Home / 1,006,881,618,805.10-1,389,755,163,432.40-655,789,440,782.50

Finding the Fourth Proportional to 1,006,881,618,805.10, 1,389,755,163,432.40 and 655,789,440,782.50

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Solution

The fourth proportional to 1,006,881,618,805.10, 1,389,755,163,432.40 and 655,789,440,782.50 is: 905,157,810,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,881,618,805.10 : 1,389,755,163,432.40 = 655,789,440,782.50 : x
  2. Step 2: Convert to fraction form
    1,006,881,618,805.10/1,389,755,163,432.40 = 655,789,440,782.50/x
  3. Step 3: Cross multiply
    1,006,881,618,805.10x = 1,389,755,163,432.40 × 655,789,440,782.50
  4. Step 4: Simplify right side
    1,006,881,618,805.10x = 911,386,761,451,925,414,084,608
  5. Step 5: Solve for x
    x = 911,386,761,451,925,414,084,608/1,006,881,618,805.10
  6. Step 6: Final answer
    x = 905,157,810,442.01

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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.