Home / 12,754,604,328.90-19,131,906,493.35-8,591,508,111.30

Finding the Fourth Proportional to 12,754,604,328.90, 19,131,906,493.35 and 8,591,508,111.30

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Solution

The fourth proportional to 12,754,604,328.90, 19,131,906,493.35 and 8,591,508,111.30 is: 12,887,262,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,604,328.90 : 19,131,906,493.35 = 8,591,508,111.30 : x
  2. Step 2: Convert to fraction form
    12,754,604,328.90/19,131,906,493.35 = 8,591,508,111.30/x
  3. Step 3: Cross multiply
    12,754,604,328.90x = 19,131,906,493.35 × 8,591,508,111.30
  4. Step 4: Simplify right side
    12,754,604,328.90x = 164,371,929,822,249,648,128
  5. Step 5: Solve for x
    x = 164,371,929,822,249,648,128/12,754,604,328.90
  6. Step 6: Final answer
    x = 12,887,262,166.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.