Home / 510,966,953.76-766,514,172-200,034,405.96

Finding the Fourth Proportional to 510,966,953.76, 766,514,172 and 200,034,405.96

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Solution

The fourth proportional to 510,966,953.76, 766,514,172 and 200,034,405.96 is: 300,076,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,966,953.76 : 766,514,172 = 200,034,405.96 : x
  2. Step 2: Convert to fraction form
    510,966,953.76/766,514,172 = 200,034,405.96/x
  3. Step 3: Cross multiply
    510,966,953.76x = 766,514,172 × 200,034,405.96
  4. Step 4: Simplify right side
    510,966,953.76x = 153,329,207,055,941,280
  5. Step 5: Solve for x
    x = 153,329,207,055,941,280/510,966,953.76
  6. Step 6: Final answer
    x = 300,076,562.54

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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.