Home / 15,608,977,695.23-21,539,831,890.81-8,834,650,827.92

Finding the Fourth Proportional to 15,608,977,695.23, 21,539,831,890.81 and 8,834,650,827.92

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Solution

The fourth proportional to 15,608,977,695.23, 21,539,831,890.81 and 8,834,650,827.92 is: 12,191,502,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608,977,695.23 : 21,539,831,890.81 = 8,834,650,827.92 : x
  2. Step 2: Convert to fraction form
    15,608,977,695.23/21,539,831,890.81 = 8,834,650,827.92/x
  3. Step 3: Cross multiply
    15,608,977,695.23x = 21,539,831,890.81 × 8,834,650,827.92
  4. Step 4: Simplify right side
    15,608,977,695.23x = 190,296,893,647,294,529,536
  5. Step 5: Solve for x
    x = 190,296,893,647,294,529,536/15,608,977,695.23
  6. Step 6: Final answer
    x = 12,191,502,695.63

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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.