Home / 276,735,888,911.40-415,103,833,367.10-77,989,178,054.40

Finding the Fourth Proportional to 276,735,888,911.40, 415,103,833,367.10 and 77,989,178,054.40

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Solution

The fourth proportional to 276,735,888,911.40, 415,103,833,367.10 and 77,989,178,054.40 is: 116,983,767,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,911.40 : 415,103,833,367.10 = 77,989,178,054.40 : x
  2. Step 2: Convert to fraction form
    276,735,888,911.40/415,103,833,367.10 = 77,989,178,054.40/x
  3. Step 3: Cross multiply
    276,735,888,911.40x = 415,103,833,367.10 × 77,989,178,054.40
  4. Step 4: Simplify right side
    276,735,888,911.40x = 32,373,606,771,530,743,676,928
  5. Step 5: Solve for x
    x = 32,373,606,771,530,743,676,928/276,735,888,911.40
  6. Step 6: Final answer
    x = 116,983,767,081.60

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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.