Home / 276,735,888,900.90-415,103,833,351.35-77,989,178,043.90

Finding the Fourth Proportional to 276,735,888,900.90, 415,103,833,351.35 and 77,989,178,043.90

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Solution

The fourth proportional to 276,735,888,900.90, 415,103,833,351.35 and 77,989,178,043.90 is: 116,983,767,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,900.90 : 415,103,833,351.35 = 77,989,178,043.90 : x
  2. Step 2: Convert to fraction form
    276,735,888,900.90/415,103,833,351.35 = 77,989,178,043.90/x
  3. Step 3: Cross multiply
    276,735,888,900.90x = 415,103,833,351.35 × 77,989,178,043.90
  4. Step 4: Simplify right side
    276,735,888,900.90x = 32,373,606,765,943,825,891,328
  5. Step 5: Solve for x
    x = 32,373,606,765,943,825,891,328/276,735,888,900.90
  6. Step 6: Final answer
    x = 116,983,767,065.85

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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.