Home / 399,256,608.47-598,349,589.59-310,732,077.14

Finding the Fourth Proportional to 399,256,608.47, 598,349,589.59 and 310,732,077.14

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Solution

The fourth proportional to 399,256,608.47, 598,349,589.59 and 310,732,077.14 is: 465,681,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,256,608.47 : 598,349,589.59 = 310,732,077.14 : x
  2. Step 2: Convert to fraction form
    399,256,608.47/598,349,589.59 = 310,732,077.14/x
  3. Step 3: Cross multiply
    399,256,608.47x = 598,349,589.59 × 310,732,077.14
  4. Step 4: Simplify right side
    399,256,608.47x = 185,926,410,824,621,824
  5. Step 5: Solve for x
    x = 185,926,410,824,621,824/399,256,608.47
  6. Step 6: Final answer
    x = 465,681,486.25

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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.