Home / 540,349,104.36-745,682,401.53-292,830,458.61

Finding the Fourth Proportional to 540,349,104.36, 745,682,401.53 and 292,830,458.61

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Solution

The fourth proportional to 540,349,104.36, 745,682,401.53 and 292,830,458.61 is: 404,106,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,104.36 : 745,682,401.53 = 292,830,458.61 : x
  2. Step 2: Convert to fraction form
    540,349,104.36/745,682,401.53 = 292,830,458.61/x
  3. Step 3: Cross multiply
    540,349,104.36x = 745,682,401.53 × 292,830,458.61
  4. Step 4: Simplify right side
    540,349,104.36x = 218,358,519,617,436,064
  5. Step 5: Solve for x
    x = 218,358,519,617,436,064/540,349,104.36
  6. Step 6: Final answer
    x = 404,106,378.37

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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.