Home / 670,974,585,019.09-925,947,755,148.28-378,003,023,150.11

Finding the Fourth Proportional to 670,974,585,019.09, 925,947,755,148.28 and 378,003,023,150.11

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Solution

The fourth proportional to 670,974,585,019.09, 925,947,755,148.28 and 378,003,023,150.11 is: 521,645,765,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,585,019.09 : 925,947,755,148.28 = 378,003,023,150.11 : x
  2. Step 2: Convert to fraction form
    670,974,585,019.09/925,947,755,148.28 = 378,003,023,150.11/x
  3. Step 3: Cross multiply
    670,974,585,019.09x = 925,947,755,148.28 × 378,003,023,150.11
  4. Step 4: Simplify right side
    670,974,585,019.09x = 350,011,050,725,107,671,498,752
  5. Step 5: Solve for x
    x = 350,011,050,725,107,671,498,752/670,974,585,019.09
  6. Step 6: Final answer
    x = 521,645,765,040.64

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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.