Home / 228,235,385.68-314,802,463.58-209,457,605.51

Finding the Fourth Proportional to 228,235,385.68, 314,802,463.58 and 209,457,605.51

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Solution

The fourth proportional to 228,235,385.68, 314,802,463.58 and 209,457,605.51 is: 288,902,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,235,385.68 : 314,802,463.58 = 209,457,605.51 : x
  2. Step 2: Convert to fraction form
    228,235,385.68/314,802,463.58 = 209,457,605.51/x
  3. Step 3: Cross multiply
    228,235,385.68x = 314,802,463.58 × 209,457,605.51
  4. Step 4: Simplify right side
    228,235,385.68x = 65,937,770,231,024,456
  5. Step 5: Solve for x
    x = 65,937,770,231,024,456/228,235,385.68
  6. Step 6: Final answer
    x = 288,902,485.63

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1.5x scale

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.