Home / 323,008,744.80-484,513,117.20-287,295,909.60

Finding the Fourth Proportional to 323,008,744.80, 484,513,117.20 and 287,295,909.60

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Solution

The fourth proportional to 323,008,744.80, 484,513,117.20 and 287,295,909.60 is: 430,943,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,008,744.80 : 484,513,117.20 = 287,295,909.60 : x
  2. Step 2: Convert to fraction form
    323,008,744.80/484,513,117.20 = 287,295,909.60/x
  3. Step 3: Cross multiply
    323,008,744.80x = 484,513,117.20 × 287,295,909.60
  4. Step 4: Simplify right side
    323,008,744.80x = 139,198,636,719,105,408
  5. Step 5: Solve for x
    x = 139,198,636,719,105,408/323,008,744.80
  6. Step 6: Final answer
    x = 430,943,864.40

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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.