Home / 529,660,041.78-730,930,172.79-328,642,151.82

Finding the Fourth Proportional to 529,660,041.78, 730,930,172.79 and 328,642,151.82

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Solution

The fourth proportional to 529,660,041.78, 730,930,172.79 and 328,642,151.82 is: 453,525,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,660,041.78 : 730,930,172.79 = 328,642,151.82 : x
  2. Step 2: Convert to fraction form
    529,660,041.78/730,930,172.79 = 328,642,151.82/x
  3. Step 3: Cross multiply
    529,660,041.78x = 730,930,172.79 × 328,642,151.82
  4. Step 4: Simplify right side
    529,660,041.78x = 240,214,464,815,869,984
  5. Step 5: Solve for x
    x = 240,214,464,815,869,984/529,660,041.78
  6. Step 6: Final answer
    x = 453,525,744.57

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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.