Home / 276,735,888,917.90-415,103,833,376.85-77,989,178,060.90

Finding the Fourth Proportional to 276,735,888,917.90, 415,103,833,376.85 and 77,989,178,060.90

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Solution

The fourth proportional to 276,735,888,917.90, 415,103,833,376.85 and 77,989,178,060.90 is: 116,983,767,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,917.90 : 415,103,833,376.85 = 77,989,178,060.90 : x
  2. Step 2: Convert to fraction form
    276,735,888,917.90/415,103,833,376.85 = 77,989,178,060.90/x
  3. Step 3: Cross multiply
    276,735,888,917.90x = 415,103,833,376.85 × 77,989,178,060.90
  4. Step 4: Simplify right side
    276,735,888,917.90x = 32,373,606,774,989,316,423,680
  5. Step 5: Solve for x
    x = 32,373,606,774,989,316,423,680/276,735,888,917.90
  6. Step 6: Final answer
    x = 116,983,767,091.35

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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.