Home / 451,603,756.80-623,432,154.92-302,870,471.31

Finding the Fourth Proportional to 451,603,756.80, 623,432,154.92 and 302,870,471.31

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Solution

The fourth proportional to 451,603,756.80, 623,432,154.92 and 302,870,471.31 is: 418,108,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,603,756.80 : 623,432,154.92 = 302,870,471.31 : x
  2. Step 2: Convert to fraction form
    451,603,756.80/623,432,154.92 = 302,870,471.31/x
  3. Step 3: Cross multiply
    451,603,756.80x = 623,432,154.92 × 302,870,471.31
  4. Step 4: Simplify right side
    451,603,756.80x = 188,819,190,588,914,976
  5. Step 5: Solve for x
    x = 188,819,190,588,914,976/451,603,756.80
  6. Step 6: Final answer
    x = 418,108,104.16

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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.