Home / 323,450,687.40-485,176,031.10-288,514,674.60

Finding the Fourth Proportional to 323,450,687.40, 485,176,031.10 and 288,514,674.60

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Solution

The fourth proportional to 323,450,687.40, 485,176,031.10 and 288,514,674.60 is: 432,772,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,450,687.40 : 485,176,031.10 = 288,514,674.60 : x
  2. Step 2: Convert to fraction form
    323,450,687.40/485,176,031.10 = 288,514,674.60/x
  3. Step 3: Cross multiply
    323,450,687.40x = 485,176,031.10 × 288,514,674.60
  4. Step 4: Simplify right side
    323,450,687.40x = 139,980,404,736,536,000
  5. Step 5: Solve for x
    x = 139,980,404,736,536,000/323,450,687.40
  6. Step 6: Final answer
    x = 432,772,011.90

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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.