Home / 898,670,049,047.75-1,348,468,525,660.50-421,187,856,081.38

Finding the Fourth Proportional to 898,670,049,047.75, 1,348,468,525,660.50 and 421,187,856,081.38

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Solution

The fourth proportional to 898,670,049,047.75, 1,348,468,525,660.50 and 421,187,856,081.38 is: 631,998,994,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,670,049,047.75 : 1,348,468,525,660.50 = 421,187,856,081.38 : x
  2. Step 2: Convert to fraction form
    898,670,049,047.75/1,348,468,525,660.50 = 421,187,856,081.38/x
  3. Step 3: Cross multiply
    898,670,049,047.75x = 1,348,468,525,660.50 × 421,187,856,081.38
  4. Step 4: Simplify right side
    898,670,049,047.75x = 567,958,567,316,165,356,421,120
  5. Step 5: Solve for x
    x = 567,958,567,316,165,356,421,120/898,670,049,047.75
  6. Step 6: Final answer
    x = 631,998,994,422.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.