Home / 3,121,311,854.56-4,681,983,427.80-792,249,531.52

Finding the Fourth Proportional to 3,121,311,854.56, 4,681,983,427.80 and 792,249,531.52

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Solution

The fourth proportional to 3,121,311,854.56, 4,681,983,427.80 and 792,249,531.52 is: 1,188,378,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,311,854.56 : 4,681,983,427.80 = 792,249,531.52 : x
  2. Step 2: Convert to fraction form
    3,121,311,854.56/4,681,983,427.80 = 792,249,531.52/x
  3. Step 3: Cross multiply
    3,121,311,854.56x = 4,681,983,427.80 × 792,249,531.52
  4. Step 4: Simplify right side
    3,121,311,854.56x = 3,709,299,177,258,953,728
  5. Step 5: Solve for x
    x = 3,709,299,177,258,953,728/3,121,311,854.56
  6. Step 6: Final answer
    x = 1,188,378,268.53

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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.