Home / 386,203,164.30-579,562,329.06-140,559,730.74

Finding the Fourth Proportional to 386,203,164.30, 579,562,329.06 and 140,559,730.74

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Solution

The fourth proportional to 386,203,164.30, 579,562,329.06 and 140,559,730.74 is: 210,933,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,203,164.30 : 579,562,329.06 = 140,559,730.74 : x
  2. Step 2: Convert to fraction form
    386,203,164.30/579,562,329.06 = 140,559,730.74/x
  3. Step 3: Cross multiply
    386,203,164.30x = 579,562,329.06 × 140,559,730.74
  4. Step 4: Simplify right side
    386,203,164.30x = 81,463,124,919,720,880
  5. Step 5: Solve for x
    x = 81,463,124,919,720,880/386,203,164.30
  6. Step 6: Final answer
    x = 210,933,344.03

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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.