Home / 670,974,585,017.58-925,947,755,146.22-378,003,023,148.64

Finding the Fourth Proportional to 670,974,585,017.58, 925,947,755,146.22 and 378,003,023,148.64

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Solution

The fourth proportional to 670,974,585,017.58, 925,947,755,146.22 and 378,003,023,148.64 is: 521,645,765,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,585,017.58 : 925,947,755,146.22 = 378,003,023,148.64 : x
  2. Step 2: Convert to fraction form
    670,974,585,017.58/925,947,755,146.22 = 378,003,023,148.64/x
  3. Step 3: Cross multiply
    670,974,585,017.58x = 925,947,755,146.22 × 378,003,023,148.64
  4. Step 4: Simplify right side
    670,974,585,017.58x = 350,011,050,722,967,838,261,248
  5. Step 5: Solve for x
    x = 350,011,050,722,967,838,261,248/670,974,585,017.58
  6. Step 6: Final answer
    x = 521,645,765,038.62

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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.