Home / 387,990,874.41-581,980,830.93-180,613,296

Finding the Fourth Proportional to 387,990,874.41, 581,980,830.93 and 180,613,296

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Solution

The fourth proportional to 387,990,874.41, 581,980,830.93 and 180,613,296 is: 270,917,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,990,874.41 : 581,980,830.93 = 180,613,296 : x
  2. Step 2: Convert to fraction form
    387,990,874.41/581,980,830.93 = 180,613,296/x
  3. Step 3: Cross multiply
    387,990,874.41x = 581,980,830.93 × 180,613,296
  4. Step 4: Simplify right side
    387,990,874.41x = 105,113,476,083,086,032
  5. Step 5: Solve for x
    x = 105,113,476,083,086,032/387,990,874.41
  6. Step 6: Final answer
    x = 270,917,392.69

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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.