Home / 12,754,949,109.60-19,132,423,664.40-3,439,638,685.20

Finding the Fourth Proportional to 12,754,949,109.60, 19,132,423,664.40 and 3,439,638,685.20

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Solution

The fourth proportional to 12,754,949,109.60, 19,132,423,664.40 and 3,439,638,685.20 is: 5,159,458,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,949,109.60 : 19,132,423,664.40 = 3,439,638,685.20 : x
  2. Step 2: Convert to fraction form
    12,754,949,109.60/19,132,423,664.40 = 3,439,638,685.20/x
  3. Step 3: Cross multiply
    12,754,949,109.60x = 19,132,423,664.40 × 3,439,638,685.20
  4. Step 4: Simplify right side
    12,754,949,109.60x = 65,808,624,577,706,180,608
  5. Step 5: Solve for x
    x = 65,808,624,577,706,180,608/12,754,949,109.60
  6. Step 6: Final answer
    x = 5,159,458,027.80

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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.