Home / 15,608,977,712.16-21,539,831,914.17-8,834,650,844.85

Finding the Fourth Proportional to 15,608,977,712.16, 21,539,831,914.17 and 8,834,650,844.85

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Solution

The fourth proportional to 15,608,977,712.16, 21,539,831,914.17 and 8,834,650,844.85 is: 12,191,502,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608,977,712.16 : 21,539,831,914.17 = 8,834,650,844.85 : x
  2. Step 2: Convert to fraction form
    15,608,977,712.16/21,539,831,914.17 = 8,834,650,844.85/x
  3. Step 3: Cross multiply
    15,608,977,712.16x = 21,539,831,914.17 × 8,834,650,844.85
  4. Step 4: Simplify right side
    15,608,977,712.16x = 190,296,894,218,448,961,536
  5. Step 5: Solve for x
    x = 190,296,894,218,448,961,536/15,608,977,712.16
  6. Step 6: Final answer
    x = 12,191,502,718.99

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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.