Home / 463,671,979.20-695,507,968.80-248,681,131.20

Finding the Fourth Proportional to 463,671,979.20, 695,507,968.80 and 248,681,131.20

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Solution

The fourth proportional to 463,671,979.20, 695,507,968.80 and 248,681,131.20 is: 373,021,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,671,979.20 : 695,507,968.80 = 248,681,131.20 : x
  2. Step 2: Convert to fraction form
    463,671,979.20/695,507,968.80 = 248,681,131.20/x
  3. Step 3: Cross multiply
    463,671,979.20x = 695,507,968.80 × 248,681,131.20
  4. Step 4: Simplify right side
    463,671,979.20x = 172,959,708,439,798,272
  5. Step 5: Solve for x
    x = 172,959,708,439,798,272/463,671,979.20
  6. Step 6: Final answer
    x = 373,021,696.80

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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.