Home / 554,699,478.49-765,509,342.76-307,180,832.74

Finding the Fourth Proportional to 554,699,478.49, 765,509,342.76 and 307,180,832.74

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Solution

The fourth proportional to 554,699,478.49, 765,509,342.76 and 307,180,832.74 is: 423,922,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,699,478.49 : 765,509,342.76 = 307,180,832.74 : x
  2. Step 2: Convert to fraction form
    554,699,478.49/765,509,342.76 = 307,180,832.74/x
  3. Step 3: Cross multiply
    554,699,478.49x = 765,509,342.76 × 307,180,832.74
  4. Step 4: Simplify right side
    554,699,478.49x = 235,149,797,377,353,120
  5. Step 5: Solve for x
    x = 235,149,797,377,353,120/554,699,478.49
  6. Step 6: Final answer
    x = 423,922,874.45

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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.