Home / 540,029,612.16-745,236,897.24-305,076,003.12

Finding the Fourth Proportional to 540,029,612.16, 745,236,897.24 and 305,076,003.12

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Solution

The fourth proportional to 540,029,612.16, 745,236,897.24 and 305,076,003.12 is: 421,002,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,029,612.16 : 745,236,897.24 = 305,076,003.12 : x
  2. Step 2: Convert to fraction form
    540,029,612.16/745,236,897.24 = 305,076,003.12/x
  3. Step 3: Cross multiply
    540,029,612.16x = 745,236,897.24 × 305,076,003.12
  4. Step 4: Simplify right side
    540,029,612.16x = 227,353,893,987,529,376
  5. Step 5: Solve for x
    x = 227,353,893,987,529,376/540,029,612.16
  6. Step 6: Final answer
    x = 421,002,642.94

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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.