Home / 430,595,540.76-646,178,578.02-236,642,401.56

Finding the Fourth Proportional to 430,595,540.76, 646,178,578.02 and 236,642,401.56

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Solution

The fourth proportional to 430,595,540.76, 646,178,578.02 and 236,642,401.56 is: 355,120,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,595,540.76 : 646,178,578.02 = 236,642,401.56 : x
  2. Step 2: Convert to fraction form
    430,595,540.76/646,178,578.02 = 236,642,401.56/x
  3. Step 3: Cross multiply
    430,595,540.76x = 646,178,578.02 × 236,642,401.56
  4. Step 4: Simplify right side
    430,595,540.76x = 152,913,250,539,278,624
  5. Step 5: Solve for x
    x = 152,913,250,539,278,624/430,595,540.76
  6. Step 6: Final answer
    x = 355,120,376.47

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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.