Home / 524,458,496.96-723,792,786.72-289,554,401.60

Finding the Fourth Proportional to 524,458,496.96, 723,792,786.72 and 289,554,401.60

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Solution

The fourth proportional to 524,458,496.96, 723,792,786.72 and 289,554,401.60 is: 399,607,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,458,496.96 : 723,792,786.72 = 289,554,401.60 : x
  2. Step 2: Convert to fraction form
    524,458,496.96/723,792,786.72 = 289,554,401.60/x
  3. Step 3: Cross multiply
    524,458,496.96x = 723,792,786.72 × 289,554,401.60
  4. Step 4: Simplify right side
    524,458,496.96x = 209,577,387,241,106,048
  5. Step 5: Solve for x
    x = 209,577,387,241,106,048/524,458,496.96
  6. Step 6: Final answer
    x = 399,607,191.91

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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.