Home / 1,006,881,618,805.40-1,389,755,163,432.90-655,789,440,782.80

Finding the Fourth Proportional to 1,006,881,618,805.40, 1,389,755,163,432.90 and 655,789,440,782.80

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Solution

The fourth proportional to 1,006,881,618,805.40, 1,389,755,163,432.90 and 655,789,440,782.80 is: 905,157,810,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,881,618,805.40 : 1,389,755,163,432.90 = 655,789,440,782.80 : x
  2. Step 2: Convert to fraction form
    1,006,881,618,805.40/1,389,755,163,432.90 = 655,789,440,782.80/x
  3. Step 3: Cross multiply
    1,006,881,618,805.40x = 1,389,755,163,432.90 × 655,789,440,782.80
  4. Step 4: Simplify right side
    1,006,881,618,805.40x = 911,386,761,452,670,322,475,008
  5. Step 5: Solve for x
    x = 911,386,761,452,670,322,475,008/1,006,881,618,805.40
  6. Step 6: Final answer
    x = 905,157,810,442.48

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Double scale
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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.