Home / 551,004,889.43-760,358,042.30-342,156,551.69

Finding the Fourth Proportional to 551,004,889.43, 760,358,042.30 and 342,156,551.69

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Solution

The fourth proportional to 551,004,889.43, 760,358,042.30 and 342,156,551.69 is: 472,158,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,004,889.43 : 760,358,042.30 = 342,156,551.69 : x
  2. Step 2: Convert to fraction form
    551,004,889.43/760,358,042.30 = 342,156,551.69/x
  3. Step 3: Cross multiply
    551,004,889.43x = 760,358,042.30 × 342,156,551.69
  4. Step 4: Simplify right side
    551,004,889.43x = 260,161,485,800,180,768
  5. Step 5: Solve for x
    x = 260,161,485,800,180,768/551,004,889.43
  6. Step 6: Final answer
    x = 472,158,216.37

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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.