Home / 451,603,788.80-623,432,199.14-302,870,503.32

Finding the Fourth Proportional to 451,603,788.80, 623,432,199.14 and 302,870,503.32

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Solution

The fourth proportional to 451,603,788.80, 623,432,199.14 and 302,870,503.32 is: 418,108,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,603,788.80 : 623,432,199.14 = 302,870,503.32 : x
  2. Step 2: Convert to fraction form
    451,603,788.80/623,432,199.14 = 302,870,503.32/x
  3. Step 3: Cross multiply
    451,603,788.80x = 623,432,199.14 × 302,870,503.32
  4. Step 4: Simplify right side
    451,603,788.80x = 188,819,223,939,426,272
  5. Step 5: Solve for x
    x = 188,819,223,939,426,272/451,603,788.80
  6. Step 6: Final answer
    x = 418,108,148.39

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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.