Home / 944,785,087.40-1,417,177,631.10-648,878,738.60

Finding the Fourth Proportional to 944,785,087.40, 1,417,177,631.10 and 648,878,738.60

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Solution

The fourth proportional to 944,785,087.40, 1,417,177,631.10 and 648,878,738.60 is: 973,318,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,785,087.40 : 1,417,177,631.10 = 648,878,738.60 : x
  2. Step 2: Convert to fraction form
    944,785,087.40/1,417,177,631.10 = 648,878,738.60/x
  3. Step 3: Cross multiply
    944,785,087.40x = 1,417,177,631.10 × 648,878,738.60
  4. Step 4: Simplify right side
    944,785,087.40x = 919,576,433,640,304,128
  5. Step 5: Solve for x
    x = 919,576,433,640,304,128/944,785,087.40
  6. Step 6: Final answer
    x = 973,318,107.90

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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.