Home / 920,021,850,713.68-1,380,060,890,540.50-315,638,578,338.86

Finding the Fourth Proportional to 920,021,850,713.68, 1,380,060,890,540.50 and 315,638,578,338.86

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Solution

The fourth proportional to 920,021,850,713.68, 1,380,060,890,540.50 and 315,638,578,338.86 is: 473,467,512,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,021,850,713.68 : 1,380,060,890,540.50 = 315,638,578,338.86 : x
  2. Step 2: Convert to fraction form
    920,021,850,713.68/1,380,060,890,540.50 = 315,638,578,338.86/x
  3. Step 3: Cross multiply
    920,021,850,713.68x = 1,380,060,890,540.50 × 315,638,578,338.86
  4. Step 4: Simplify right side
    920,021,850,713.68x = 435,600,457,511,264,474,628,096
  5. Step 5: Solve for x
    x = 435,600,457,511,264,474,628,096/920,021,850,713.68
  6. Step 6: Final answer
    x = 473,467,512,943.70

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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.