Home / 15,608,977,696.16-21,539,831,892.10-8,834,650,828.85

Finding the Fourth Proportional to 15,608,977,696.16, 21,539,831,892.10 and 8,834,650,828.85

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Solution

The fourth proportional to 15,608,977,696.16, 21,539,831,892.10 and 8,834,650,828.85 is: 12,191,502,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608,977,696.16 : 21,539,831,892.10 = 8,834,650,828.85 : x
  2. Step 2: Convert to fraction form
    15,608,977,696.16/21,539,831,892.10 = 8,834,650,828.85/x
  3. Step 3: Cross multiply
    15,608,977,696.16x = 21,539,831,892.10 × 8,834,650,828.85
  4. Step 4: Simplify right side
    15,608,977,696.16x = 190,296,893,678,723,203,072
  5. Step 5: Solve for x
    x = 190,296,893,678,723,203,072/15,608,977,696.16
  6. Step 6: Final answer
    x = 12,191,502,696.91

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1.5x scale

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.