Home / 540,079,919.23-745,430,188.72-328,341,758.23

Finding the Fourth Proportional to 540,079,919.23, 745,430,188.72 and 328,341,758.23

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Solution

The fourth proportional to 540,079,919.23, 745,430,188.72 and 328,341,758.23 is: 453,184,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,079,919.23 : 745,430,188.72 = 328,341,758.23 : x
  2. Step 2: Convert to fraction form
    540,079,919.23/745,430,188.72 = 328,341,758.23/x
  3. Step 3: Cross multiply
    540,079,919.23x = 745,430,188.72 × 328,341,758.23
  4. Step 4: Simplify right side
    540,079,919.23x = 244,755,858,802,045,536
  5. Step 5: Solve for x
    x = 244,755,858,802,045,536/540,079,919.23
  6. Step 6: Final answer
    x = 453,184,519.71

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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.