Home / 603,655,346.20-905,483,019.30-215,664,050.20

Finding the Fourth Proportional to 603,655,346.20, 905,483,019.30 and 215,664,050.20

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Solution

The fourth proportional to 603,655,346.20, 905,483,019.30 and 215,664,050.20 is: 323,496,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,655,346.20 : 905,483,019.30 = 215,664,050.20 : x
  2. Step 2: Convert to fraction form
    603,655,346.20/905,483,019.30 = 215,664,050.20/x
  3. Step 3: Cross multiply
    603,655,346.20x = 905,483,019.30 × 215,664,050.20
  4. Step 4: Simplify right side
    603,655,346.20x = 195,280,135,329,562,752
  5. Step 5: Solve for x
    x = 195,280,135,329,562,752/603,655,346.20
  6. Step 6: Final answer
    x = 323,496,075.30

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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.