Home / 2,621,411,618.40-3,929,472,032.40-1,309,295,599.20

Finding the Fourth Proportional to 2,621,411,618.40, 3,929,472,032.40 and 1,309,295,599.20

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Solution

The fourth proportional to 2,621,411,618.40, 3,929,472,032.40 and 1,309,295,599.20 is: 1,962,622,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,411,618.40 : 3,929,472,032.40 = 1,309,295,599.20 : x
  2. Step 2: Convert to fraction form
    2,621,411,618.40/3,929,472,032.40 = 1,309,295,599.20/x
  3. Step 3: Cross multiply
    2,621,411,618.40x = 3,929,472,032.40 × 1,309,295,599.20
  4. Step 4: Simplify right side
    2,621,411,618.40x = 5,144,840,439,200,799,744
  5. Step 5: Solve for x
    x = 5,144,840,439,200,799,744/2,621,411,618.40
  6. Step 6: Final answer
    x = 1,962,622,124.31

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1.5x scale

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.