Home / 510,780,153.18-766,170,239.82-122,602,983.51

Finding the Fourth Proportional to 510,780,153.18, 766,170,239.82 and 122,602,983.51

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Solution

The fourth proportional to 510,780,153.18, 766,170,239.82 and 122,602,983.51 is: 183,904,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,780,153.18 : 766,170,239.82 = 122,602,983.51 : x
  2. Step 2: Convert to fraction form
    510,780,153.18/766,170,239.82 = 122,602,983.51/x
  3. Step 3: Cross multiply
    510,780,153.18x = 766,170,239.82 × 122,602,983.51
  4. Step 4: Simplify right side
    510,780,153.18x = 93,934,757,278,504,208
  5. Step 5: Solve for x
    x = 93,934,757,278,504,208/510,780,153.18
  6. Step 6: Final answer
    x = 183,904,477.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.