Home / 395,282,887.17-545,490,373.47-219,097,352.51

Finding the Fourth Proportional to 395,282,887.17, 545,490,373.47 and 219,097,352.51

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Solution

The fourth proportional to 395,282,887.17, 545,490,373.47 and 219,097,352.51 is: 302,354,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,282,887.17 : 545,490,373.47 = 219,097,352.51 : x
  2. Step 2: Convert to fraction form
    395,282,887.17/545,490,373.47 = 219,097,352.51/x
  3. Step 3: Cross multiply
    395,282,887.17x = 545,490,373.47 × 219,097,352.51
  4. Step 4: Simplify right side
    395,282,887.17x = 119,515,496,647,296,592
  5. Step 5: Solve for x
    x = 119,515,496,647,296,592/395,282,887.17
  6. Step 6: Final answer
    x = 302,354,340.47

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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.