Home / 450,431,572.80-675,647,359.20-353,685,691.20

Finding the Fourth Proportional to 450,431,572.80, 675,647,359.20 and 353,685,691.20

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Solution

The fourth proportional to 450,431,572.80, 675,647,359.20 and 353,685,691.20 is: 530,528,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,431,572.80 : 675,647,359.20 = 353,685,691.20 : x
  2. Step 2: Convert to fraction form
    450,431,572.80/675,647,359.20 = 353,685,691.20/x
  3. Step 3: Cross multiply
    450,431,572.80x = 675,647,359.20 × 353,685,691.20
  4. Step 4: Simplify right side
    450,431,572.80x = 238,966,803,246,106,688
  5. Step 5: Solve for x
    x = 238,966,803,246,106,688/450,431,572.80
  6. Step 6: Final answer
    x = 530,528,536.80

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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.