Home / 708,519,277.60-1,062,778,916.40-627,897,709.60

Finding the Fourth Proportional to 708,519,277.60, 1,062,778,916.40 and 627,897,709.60

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Solution

The fourth proportional to 708,519,277.60, 1,062,778,916.40 and 627,897,709.60 is: 941,846,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,519,277.60 : 1,062,778,916.40 = 627,897,709.60 : x
  2. Step 2: Convert to fraction form
    708,519,277.60/1,062,778,916.40 = 627,897,709.60/x
  3. Step 3: Cross multiply
    708,519,277.60x = 1,062,778,916.40 × 627,897,709.60
  4. Step 4: Simplify right side
    708,519,277.60x = 667,316,447,418,729,856
  5. Step 5: Solve for x
    x = 667,316,447,418,729,856/708,519,277.60
  6. Step 6: Final answer
    x = 941,846,564.40

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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.