Home / 456,995,243.25-685,014,476.13-191,253,219.93

Finding the Fourth Proportional to 456,995,243.25, 685,014,476.13 and 191,253,219.93

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Solution

The fourth proportional to 456,995,243.25, 685,014,476.13 and 191,253,219.93 is: 286,679,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,995,243.25 : 685,014,476.13 = 191,253,219.93 : x
  2. Step 2: Convert to fraction form
    456,995,243.25/685,014,476.13 = 191,253,219.93/x
  3. Step 3: Cross multiply
    456,995,243.25x = 685,014,476.13 × 191,253,219.93
  4. Step 4: Simplify right side
    456,995,243.25x = 131,011,224,258,524,624
  5. Step 5: Solve for x
    x = 131,011,224,258,524,624/456,995,243.25
  6. Step 6: Final answer
    x = 286,679,623.46

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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.