Home / 670,974,584,990.68-925,947,755,108.94-378,003,023,121.64

Finding the Fourth Proportional to 670,974,584,990.68, 925,947,755,108.94 and 378,003,023,121.64

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Solution

The fourth proportional to 670,974,584,990.68, 925,947,755,108.94 and 378,003,023,121.64 is: 521,645,765,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,584,990.68 : 925,947,755,108.94 = 378,003,023,121.64 : x
  2. Step 2: Convert to fraction form
    670,974,584,990.68/925,947,755,108.94 = 378,003,023,121.64/x
  3. Step 3: Cross multiply
    670,974,584,990.68x = 925,947,755,108.94 × 378,003,023,121.64
  4. Step 4: Simplify right side
    670,974,584,990.68x = 350,011,050,683,875,314,368,512
  5. Step 5: Solve for x
    x = 350,011,050,683,875,314,368,512/670,974,584,990.68
  6. Step 6: Final answer
    x = 521,645,765,001.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.