Home / 78,638,098,289-118,041,087,358.46-33,891,677,805.56

Finding the Fourth Proportional to 78,638,098,289, 118,041,087,358.46 and 33,891,677,805.56

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Solution

The fourth proportional to 78,638,098,289, 118,041,087,358.46 and 33,891,677,805.56 is: 50,873,693,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,638,098,289 : 118,041,087,358.46 = 33,891,677,805.56 : x
  2. Step 2: Convert to fraction form
    78,638,098,289/118,041,087,358.46 = 33,891,677,805.56/x
  3. Step 3: Cross multiply
    78,638,098,289x = 118,041,087,358.46 × 33,891,677,805.56
  4. Step 4: Simplify right side
    78,638,098,289x = 4,000,610,500,570,888,273,920
  5. Step 5: Solve for x
    x = 4,000,610,500,570,888,273,920/78,638,098,289
  6. Step 6: Final answer
    x = 50,873,693,382.92

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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.