Home / 705,277,402.38-1,055,614,071.96-518,481,898.38

Finding the Fourth Proportional to 705,277,402.38, 1,055,614,071.96 and 518,481,898.38

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Solution

The fourth proportional to 705,277,402.38, 1,055,614,071.96 and 518,481,898.38 is: 776,030,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,277,402.38 : 1,055,614,071.96 = 518,481,898.38 : x
  2. Step 2: Convert to fraction form
    705,277,402.38/1,055,614,071.96 = 518,481,898.38/x
  3. Step 3: Cross multiply
    705,277,402.38x = 1,055,614,071.96 × 518,481,898.38
  4. Step 4: Simplify right side
    705,277,402.38x = 547,316,787,986,462,720
  5. Step 5: Solve for x
    x = 547,316,787,986,462,720/705,277,402.38
  6. Step 6: Final answer
    x = 776,030,518.12

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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.