Home / 1,006,881,618,806.10-1,389,755,163,433.80-655,789,440,783.50

Finding the Fourth Proportional to 1,006,881,618,806.10, 1,389,755,163,433.80 and 655,789,440,783.50

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Solution

The fourth proportional to 1,006,881,618,806.10, 1,389,755,163,433.80 and 655,789,440,783.50 is: 905,157,810,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,881,618,806.10 : 1,389,755,163,433.80 = 655,789,440,783.50 : x
  2. Step 2: Convert to fraction form
    1,006,881,618,806.10/1,389,755,163,433.80 = 655,789,440,783.50/x
  3. Step 3: Cross multiply
    1,006,881,618,806.10x = 1,389,755,163,433.80 × 655,789,440,783.50
  4. Step 4: Simplify right side
    1,006,881,618,806.10x = 911,386,761,454,233,422,135,296
  5. Step 5: Solve for x
    x = 911,386,761,454,233,422,135,296/1,006,881,618,806.10
  6. Step 6: Final answer
    x = 905,157,810,443.40

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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.