Home / 839,808,688.40-1,259,713,032.60-635,735,344.40

Finding the Fourth Proportional to 839,808,688.40, 1,259,713,032.60 and 635,735,344.40

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Solution

The fourth proportional to 839,808,688.40, 1,259,713,032.60 and 635,735,344.40 is: 953,603,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,688.40 : 1,259,713,032.60 = 635,735,344.40 : x
  2. Step 2: Convert to fraction form
    839,808,688.40/1,259,713,032.60 = 635,735,344.40/x
  3. Step 3: Cross multiply
    839,808,688.40x = 1,259,713,032.60 × 635,735,344.40
  4. Step 4: Simplify right side
    839,808,688.40x = 800,844,098,625,129,344
  5. Step 5: Solve for x
    x = 800,844,098,625,129,344/839,808,688.40
  6. Step 6: Final answer
    x = 953,603,016.60

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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.