Home / 703,420,801.60-1,054,639,682.40-416,058,548.80

Finding the Fourth Proportional to 703,420,801.60, 1,054,639,682.40 and 416,058,548.80

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Solution

The fourth proportional to 703,420,801.60, 1,054,639,682.40 and 416,058,548.80 is: 623,797,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,420,801.60 : 1,054,639,682.40 = 416,058,548.80 : x
  2. Step 2: Convert to fraction form
    703,420,801.60/1,054,639,682.40 = 416,058,548.80/x
  3. Step 3: Cross multiply
    703,420,801.60x = 1,054,639,682.40 × 416,058,548.80
  4. Step 4: Simplify right side
    703,420,801.60x = 438,791,855,766,236,928
  5. Step 5: Solve for x
    x = 438,791,855,766,236,928/703,420,801.60
  6. Step 6: Final answer
    x = 623,797,099.50

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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.