Home / 781,045,803,801.95-1,171,719,580,543.40-296,962,385,520.09

Finding the Fourth Proportional to 781,045,803,801.95, 1,171,719,580,543.40 and 296,962,385,520.09

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Solution

The fourth proportional to 781,045,803,801.95, 1,171,719,580,543.40 and 296,962,385,520.09 is: 445,500,942,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,045,803,801.95 : 1,171,719,580,543.40 = 296,962,385,520.09 : x
  2. Step 2: Convert to fraction form
    781,045,803,801.95/1,171,719,580,543.40 = 296,962,385,520.09/x
  3. Step 3: Cross multiply
    781,045,803,801.95x = 1,171,719,580,543.40 × 296,962,385,520.09
  4. Step 4: Simplify right side
    781,045,803,801.95x = 347,956,641,798,767,324,954,624
  5. Step 5: Solve for x
    x = 347,956,641,798,767,324,954,624/781,045,803,801.95
  6. Step 6: Final answer
    x = 445,500,942,588.76

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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.