Home / 507,233,851.76-699,970,873.08-298,403,442.80

Finding the Fourth Proportional to 507,233,851.76, 699,970,873.08 and 298,403,442.80

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Solution

The fourth proportional to 507,233,851.76, 699,970,873.08 and 298,403,442.80 is: 411,789,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,233,851.76 : 699,970,873.08 = 298,403,442.80 : x
  2. Step 2: Convert to fraction form
    507,233,851.76/699,970,873.08 = 298,403,442.80/x
  3. Step 3: Cross multiply
    507,233,851.76x = 699,970,873.08 × 298,403,442.80
  4. Step 4: Simplify right side
    507,233,851.76x = 208,873,718,386,793,856
  5. Step 5: Solve for x
    x = 208,873,718,386,793,856/507,233,851.76
  6. Step 6: Final answer
    x = 411,789,784.26

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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.