Home / 450,442,393.04-621,616,919.28-259,699,636.90

Finding the Fourth Proportional to 450,442,393.04, 621,616,919.28 and 259,699,636.90

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Solution

The fourth proportional to 450,442,393.04, 621,616,919.28 and 259,699,636.90 is: 358,389,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,442,393.04 : 621,616,919.28 = 259,699,636.90 : x
  2. Step 2: Convert to fraction form
    450,442,393.04/621,616,919.28 = 259,699,636.90/x
  3. Step 3: Cross multiply
    450,442,393.04x = 621,616,919.28 × 259,699,636.90
  4. Step 4: Simplify right side
    450,442,393.04x = 161,433,688,226,358,560
  5. Step 5: Solve for x
    x = 161,433,688,226,358,560/450,442,393.04
  6. Step 6: Final answer
    x = 358,389,198.53

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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.