Home / 2,689,736,766.60-4,035,360,977.10-1,309,596,299.40

Finding the Fourth Proportional to 2,689,736,766.60, 4,035,360,977.10 and 1,309,596,299.40

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Solution

The fourth proportional to 2,689,736,766.60, 4,035,360,977.10 and 1,309,596,299.40 is: 1,964,762,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,736,766.60 : 4,035,360,977.10 = 1,309,596,299.40 : x
  2. Step 2: Convert to fraction form
    2,689,736,766.60/4,035,360,977.10 = 1,309,596,299.40/x
  3. Step 3: Cross multiply
    2,689,736,766.60x = 4,035,360,977.10 × 1,309,596,299.40
  4. Step 4: Simplify right side
    2,689,736,766.60x = 5,284,693,802,353,328,128
  5. Step 5: Solve for x
    x = 5,284,693,802,353,328,128/2,689,736,766.60
  6. Step 6: Final answer
    x = 1,964,762,451.10

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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.