Home / 944,784,755.20-1,417,177,132.80-289,730,578.60

Finding the Fourth Proportional to 944,784,755.20, 1,417,177,132.80 and 289,730,578.60

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Solution

The fourth proportional to 944,784,755.20, 1,417,177,132.80 and 289,730,578.60 is: 434,595,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,784,755.20 : 1,417,177,132.80 = 289,730,578.60 : x
  2. Step 2: Convert to fraction form
    944,784,755.20/1,417,177,132.80 = 289,730,578.60/x
  3. Step 3: Cross multiply
    944,784,755.20x = 1,417,177,132.80 × 289,730,578.60
  4. Step 4: Simplify right side
    944,784,755.20x = 410,599,550,664,833,088
  5. Step 5: Solve for x
    x = 410,599,550,664,833,088/944,784,755.20
  6. Step 6: Final answer
    x = 434,595,867.90

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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.