Home / 670,974,585,017.10-925,947,755,145.55-378,003,023,148.13

Finding the Fourth Proportional to 670,974,585,017.10, 925,947,755,145.55 and 378,003,023,148.13

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Solution

The fourth proportional to 670,974,585,017.10, 925,947,755,145.55 and 378,003,023,148.13 is: 521,645,765,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,585,017.10 : 925,947,755,145.55 = 378,003,023,148.13 : x
  2. Step 2: Convert to fraction form
    670,974,585,017.10/925,947,755,145.55 = 378,003,023,148.13/x
  3. Step 3: Cross multiply
    670,974,585,017.10x = 925,947,755,145.55 × 378,003,023,148.13
  4. Step 4: Simplify right side
    670,974,585,017.10x = 350,011,050,722,242,391,441,408
  5. Step 5: Solve for x
    x = 350,011,050,722,242,391,441,408/670,974,585,017.10
  6. Step 6: Final answer
    x = 521,645,765,037.92

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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.