Home / 1,006,881,618,806.40-1,389,755,163,434.30-655,789,440,783.82

Finding the Fourth Proportional to 1,006,881,618,806.40, 1,389,755,163,434.30 and 655,789,440,783.82

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Solution

The fourth proportional to 1,006,881,618,806.40, 1,389,755,163,434.30 and 655,789,440,783.82 is: 905,157,810,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,881,618,806.40 : 1,389,755,163,434.30 = 655,789,440,783.82 : x
  2. Step 2: Convert to fraction form
    1,006,881,618,806.40/1,389,755,163,434.30 = 655,789,440,783.82/x
  3. Step 3: Cross multiply
    1,006,881,618,806.40x = 1,389,755,163,434.30 × 655,789,440,783.82
  4. Step 4: Simplify right side
    1,006,881,618,806.40x = 911,386,761,455,005,979,377,664
  5. Step 5: Solve for x
    x = 911,386,761,455,005,979,377,664/1,006,881,618,806.40
  6. Step 6: Final answer
    x = 905,157,810,443.90

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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.