Home / 403,589,089.35-556,952,940.02-217,950,088.64

Finding the Fourth Proportional to 403,589,089.35, 556,952,940.02 and 217,950,088.64

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Solution

The fourth proportional to 403,589,089.35, 556,952,940.02 and 217,950,088.64 is: 300,771,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,589,089.35 : 556,952,940.02 = 217,950,088.64 : x
  2. Step 2: Convert to fraction form
    403,589,089.35/556,952,940.02 = 217,950,088.64/x
  3. Step 3: Cross multiply
    403,589,089.35x = 556,952,940.02 × 217,950,088.64
  4. Step 4: Simplify right side
    403,589,089.35x = 121,387,942,643,427,712
  5. Step 5: Solve for x
    x = 121,387,942,643,427,712/403,589,089.35
  6. Step 6: Final answer
    x = 300,771,120.54

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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.