Home / 528,294,405.99-729,104,552.55-302,254,391.12

Finding the Fourth Proportional to 528,294,405.99, 729,104,552.55 and 302,254,391.12

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Solution

The fourth proportional to 528,294,405.99, 729,104,552.55 and 302,254,391.12 is: 417,144,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,294,405.99 : 729,104,552.55 = 302,254,391.12 : x
  2. Step 2: Convert to fraction form
    528,294,405.99/729,104,552.55 = 302,254,391.12/x
  3. Step 3: Cross multiply
    528,294,405.99x = 729,104,552.55 × 302,254,391.12
  4. Step 4: Simplify right side
    528,294,405.99x = 220,375,052,593,820,288
  5. Step 5: Solve for x
    x = 220,375,052,593,820,288/528,294,405.99
  6. Step 6: Final answer
    x = 417,144,399.21

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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.