Home / 15,608,977,694.41-21,539,831,889.69-8,834,650,827.10

Finding the Fourth Proportional to 15,608,977,694.41, 21,539,831,889.69 and 8,834,650,827.10

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Solution

The fourth proportional to 15,608,977,694.41, 21,539,831,889.69 and 8,834,650,827.10 is: 12,191,502,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608,977,694.41 : 21,539,831,889.69 = 8,834,650,827.10 : x
  2. Step 2: Convert to fraction form
    15,608,977,694.41/21,539,831,889.69 = 8,834,650,827.10/x
  3. Step 3: Cross multiply
    15,608,977,694.41x = 21,539,831,889.69 × 8,834,650,827.10
  4. Step 4: Simplify right side
    15,608,977,694.41x = 190,296,893,619,692,830,720
  5. Step 5: Solve for x
    x = 190,296,893,619,692,830,720/15,608,977,694.41
  6. Step 6: Final answer
    x = 12,191,502,694.50

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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.