Home / 779,672,509.42-1,169,497,743.81-189,467,087.53

Finding the Fourth Proportional to 779,672,509.42, 1,169,497,743.81 and 189,467,087.53

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Solution

The fourth proportional to 779,672,509.42, 1,169,497,743.81 and 189,467,087.53 is: 284,197,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,672,509.42 : 1,169,497,743.81 = 189,467,087.53 : x
  2. Step 2: Convert to fraction form
    779,672,509.42/1,169,497,743.81 = 189,467,087.53/x
  3. Step 3: Cross multiply
    779,672,509.42x = 1,169,497,743.81 × 189,467,087.53
  4. Step 4: Simplify right side
    779,672,509.42x = 221,581,331,392,586,784
  5. Step 5: Solve for x
    x = 221,581,331,392,586,784/779,672,509.42
  6. Step 6: Final answer
    x = 284,197,953.26

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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.