Home / 301,247,312.67-451,664,678.98-153,408,699

Finding the Fourth Proportional to 301,247,312.67, 451,664,678.98 and 153,408,699

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Solution

The fourth proportional to 301,247,312.67, 451,664,678.98 and 153,408,699 is: 230,007,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,247,312.67 : 451,664,678.98 = 153,408,699 : x
  2. Step 2: Convert to fraction form
    301,247,312.67/451,664,678.98 = 153,408,699/x
  3. Step 3: Cross multiply
    301,247,312.67x = 451,664,678.98 × 153,408,699
  4. Step 4: Simplify right side
    301,247,312.67x = 69,289,290,786,574,448
  5. Step 5: Solve for x
    x = 69,289,290,786,574,448/301,247,312.67
  6. Step 6: Final answer
    x = 230,007,996.33

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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.