Home / 8,736,744,672.90-13,105,117,009.35-3,219,961,940.10

Finding the Fourth Proportional to 8,736,744,672.90, 13,105,117,009.35 and 3,219,961,940.10

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Solution

The fourth proportional to 8,736,744,672.90, 13,105,117,009.35 and 3,219,961,940.10 is: 4,829,942,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,744,672.90 : 13,105,117,009.35 = 3,219,961,940.10 : x
  2. Step 2: Convert to fraction form
    8,736,744,672.90/13,105,117,009.35 = 3,219,961,940.10/x
  3. Step 3: Cross multiply
    8,736,744,672.90x = 13,105,117,009.35 × 3,219,961,940.10
  4. Step 4: Simplify right side
    8,736,744,672.90x = 42,197,977,990,664,134,656
  5. Step 5: Solve for x
    x = 42,197,977,990,664,134,656/8,736,744,672.90
  6. Step 6: Final answer
    x = 4,829,942,910.15

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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.