Home / 944,791,811.60-1,417,187,717.40-427,239,136.40

Finding the Fourth Proportional to 944,791,811.60, 1,417,187,717.40 and 427,239,136.40

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Solution

The fourth proportional to 944,791,811.60, 1,417,187,717.40 and 427,239,136.40 is: 640,858,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,791,811.60 : 1,417,187,717.40 = 427,239,136.40 : x
  2. Step 2: Convert to fraction form
    944,791,811.60/1,417,187,717.40 = 427,239,136.40/x
  3. Step 3: Cross multiply
    944,791,811.60x = 1,417,187,717.40 × 427,239,136.40
  4. Step 4: Simplify right side
    944,791,811.60x = 605,478,056,498,663,296
  5. Step 5: Solve for x
    x = 605,478,056,498,663,296/944,791,811.60
  6. Step 6: Final answer
    x = 640,858,704.60

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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.