Home / 944,785,087.20-1,417,177,630.80-869,958,194.40

Finding the Fourth Proportional to 944,785,087.20, 1,417,177,630.80 and 869,958,194.40

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Solution

The fourth proportional to 944,785,087.20, 1,417,177,630.80 and 869,958,194.40 is: 1,304,937,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,785,087.20 : 1,417,177,630.80 = 869,958,194.40 : x
  2. Step 2: Convert to fraction form
    944,785,087.20/1,417,177,630.80 = 869,958,194.40/x
  3. Step 3: Cross multiply
    944,785,087.20x = 1,417,177,630.80 × 869,958,194.40
  4. Step 4: Simplify right side
    944,785,087.20x = 1,232,885,292,834,837,760
  5. Step 5: Solve for x
    x = 1,232,885,292,834,837,760/944,785,087.20
  6. Step 6: Final answer
    x = 1,304,937,291.60

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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.