Home / 540,029,616.16-745,236,902.76-305,076,007.12

Finding the Fourth Proportional to 540,029,616.16, 745,236,902.76 and 305,076,007.12

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Solution

The fourth proportional to 540,029,616.16, 745,236,902.76 and 305,076,007.12 is: 421,002,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,029,616.16 : 745,236,902.76 = 305,076,007.12 : x
  2. Step 2: Convert to fraction form
    540,029,616.16/745,236,902.76 = 305,076,007.12/x
  3. Step 3: Cross multiply
    540,029,616.16x = 745,236,902.76 × 305,076,007.12
  4. Step 4: Simplify right side
    540,029,616.16x = 227,353,898,652,496,512
  5. Step 5: Solve for x
    x = 227,353,898,652,496,512/540,029,616.16
  6. Step 6: Final answer
    x = 421,002,648.46

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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.