Home / 479,531,123.16-661,752,941.91-259,514,549.16

Finding the Fourth Proportional to 479,531,123.16, 661,752,941.91 and 259,514,549.16

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Solution

The fourth proportional to 479,531,123.16, 661,752,941.91 and 259,514,549.16 is: 358,130,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,531,123.16 : 661,752,941.91 = 259,514,549.16 : x
  2. Step 2: Convert to fraction form
    479,531,123.16/661,752,941.91 = 259,514,549.16/x
  3. Step 3: Cross multiply
    479,531,123.16x = 661,752,941.91 × 259,514,549.16
  4. Step 4: Simplify right side
    479,531,123.16x = 171,734,516,375,077,312
  5. Step 5: Solve for x
    x = 171,734,516,375,077,312/479,531,123.16
  6. Step 6: Final answer
    x = 358,130,073.48

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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.