Home / 670,974,585,014.58-925,947,755,142.09-378,003,023,145.63

Finding the Fourth Proportional to 670,974,585,014.58, 925,947,755,142.09 and 378,003,023,145.63

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Solution

The fourth proportional to 670,974,585,014.58, 925,947,755,142.09 and 378,003,023,145.63 is: 521,645,765,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,585,014.58 : 925,947,755,142.09 = 378,003,023,145.63 : x
  2. Step 2: Convert to fraction form
    670,974,585,014.58/925,947,755,142.09 = 378,003,023,145.63/x
  3. Step 3: Cross multiply
    670,974,585,014.58x = 925,947,755,142.09 × 378,003,023,145.63
  4. Step 4: Simplify right side
    670,974,585,014.58x = 350,011,050,718,619,586,527,232
  5. Step 5: Solve for x
    x = 350,011,050,718,619,586,527,232/670,974,585,014.58
  6. Step 6: Final answer
    x = 521,645,765,034.48

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Double scale
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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.