Home / 631,775,218.56-948,072,030.24-340,843,157.52

Finding the Fourth Proportional to 631,775,218.56, 948,072,030.24 and 340,843,157.52

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Solution

The fourth proportional to 631,775,218.56, 948,072,030.24 and 340,843,157.52 is: 511,485,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,775,218.56 : 948,072,030.24 = 340,843,157.52 : x
  2. Step 2: Convert to fraction form
    631,775,218.56/948,072,030.24 = 340,843,157.52/x
  3. Step 3: Cross multiply
    631,775,218.56x = 948,072,030.24 × 340,843,157.52
  4. Step 4: Simplify right side
    631,775,218.56x = 323,143,864,343,398,528
  5. Step 5: Solve for x
    x = 323,143,864,343,398,528/631,775,218.56
  6. Step 6: Final answer
    x = 511,485,501.25

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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.