Home / 747,954,145.60-1,121,931,218.40-737,750,478.40

Finding the Fourth Proportional to 747,954,145.60, 1,121,931,218.40 and 737,750,478.40

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Solution

The fourth proportional to 747,954,145.60, 1,121,931,218.40 and 737,750,478.40 is: 1,106,625,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,954,145.60 : 1,121,931,218.40 = 737,750,478.40 : x
  2. Step 2: Convert to fraction form
    747,954,145.60/1,121,931,218.40 = 737,750,478.40/x
  3. Step 3: Cross multiply
    747,954,145.60x = 1,121,931,218.40 × 737,750,478.40
  4. Step 4: Simplify right side
    747,954,145.60x = 827,705,293,106,494,976
  5. Step 5: Solve for x
    x = 827,705,293,106,494,976/747,954,145.60
  6. Step 6: Final answer
    x = 1,106,625,717.60

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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.