Home / 1,107,186,429.60-1,659,645,903.60-646,887,664.80

Finding the Fourth Proportional to 1,107,186,429.60, 1,659,645,903.60 and 646,887,664.80

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Solution

The fourth proportional to 1,107,186,429.60, 1,659,645,903.60 and 646,887,664.80 is: 969,669,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,186,429.60 : 1,659,645,903.60 = 646,887,664.80 : x
  2. Step 2: Convert to fraction form
    1,107,186,429.60/1,659,645,903.60 = 646,887,664.80/x
  3. Step 3: Cross multiply
    1,107,186,429.60x = 1,659,645,903.60 × 646,887,664.80
  4. Step 4: Simplify right side
    1,107,186,429.60x = 1,073,604,462,974,689,792
  5. Step 5: Solve for x
    x = 1,073,604,462,974,689,792/1,107,186,429.60
  6. Step 6: Final answer
    x = 969,669,094.81

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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.