Home / 935,441,268.66-1,290,893,292.09-517,744,611.54

Finding the Fourth Proportional to 935,441,268.66, 1,290,893,292.09 and 517,744,611.54

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Solution

The fourth proportional to 935,441,268.66, 1,290,893,292.09 and 517,744,611.54 is: 714,478,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,441,268.66 : 1,290,893,292.09 = 517,744,611.54 : x
  2. Step 2: Convert to fraction form
    935,441,268.66/1,290,893,292.09 = 517,744,611.54/x
  3. Step 3: Cross multiply
    935,441,268.66x = 1,290,893,292.09 × 517,744,611.54
  4. Step 4: Simplify right side
    935,441,268.66x = 668,353,046,052,728,832
  5. Step 5: Solve for x
    x = 668,353,046,052,728,832/935,441,268.66
  6. Step 6: Final answer
    x = 714,478,897.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.