Home / 479,531,115.63-661,752,931.55-259,514,541.63

Finding the Fourth Proportional to 479,531,115.63, 661,752,931.55 and 259,514,541.63

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Solution

The fourth proportional to 479,531,115.63, 661,752,931.55 and 259,514,541.63 is: 358,130,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,531,115.63 : 661,752,931.55 = 259,514,541.63 : x
  2. Step 2: Convert to fraction form
    479,531,115.63/661,752,931.55 = 259,514,541.63/x
  3. Step 3: Cross multiply
    479,531,115.63x = 661,752,931.55 × 259,514,541.63
  4. Step 4: Simplify right side
    479,531,115.63x = 171,734,508,702,209,440
  5. Step 5: Solve for x
    x = 171,734,508,702,209,440/479,531,115.63
  6. Step 6: Final answer
    x = 358,130,063.11

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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.