Home / 670,974,585,018.58-925,947,755,147.60-378,003,023,149.64

Finding the Fourth Proportional to 670,974,585,018.58, 925,947,755,147.60 and 378,003,023,149.64

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Solution

The fourth proportional to 670,974,585,018.58, 925,947,755,147.60 and 378,003,023,149.64 is: 521,645,765,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,974,585,018.58 : 925,947,755,147.60 = 378,003,023,149.64 : x
  2. Step 2: Convert to fraction form
    670,974,585,018.58/925,947,755,147.60 = 378,003,023,149.64/x
  3. Step 3: Cross multiply
    670,974,585,018.58x = 925,947,755,147.60 × 378,003,023,149.64
  4. Step 4: Simplify right side
    670,974,585,018.58x = 350,011,050,724,415,443,566,592
  5. Step 5: Solve for x
    x = 350,011,050,724,415,443,566,592/670,974,585,018.58
  6. Step 6: Final answer
    x = 521,645,765,040.00

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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.