Home / 578,047,635.72-797,706,525.06-313,729,632.18

Finding the Fourth Proportional to 578,047,635.72, 797,706,525.06 and 313,729,632.18

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Solution

The fourth proportional to 578,047,635.72, 797,706,525.06 and 313,729,632.18 is: 432,947,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,635.72 : 797,706,525.06 = 313,729,632.18 : x
  2. Step 2: Convert to fraction form
    578,047,635.72/797,706,525.06 = 313,729,632.18/x
  3. Step 3: Cross multiply
    578,047,635.72x = 797,706,525.06 × 313,729,632.18
  4. Step 4: Simplify right side
    578,047,635.72x = 250,264,174,694,659,744
  5. Step 5: Solve for x
    x = 250,264,174,694,659,744/578,047,635.72
  6. Step 6: Final answer
    x = 432,947,319.96

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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.