Home / 357,696,005.70-536,544,008.55-343,587,231.30

Finding the Fourth Proportional to 357,696,005.70, 536,544,008.55 and 343,587,231.30

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Solution

The fourth proportional to 357,696,005.70, 536,544,008.55 and 343,587,231.30 is: 515,380,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696,005.70 : 536,544,008.55 = 343,587,231.30 : x
  2. Step 2: Convert to fraction form
    357,696,005.70/536,544,008.55 = 343,587,231.30/x
  3. Step 3: Cross multiply
    357,696,005.70x = 536,544,008.55 × 343,587,231.30
  4. Step 4: Simplify right side
    357,696,005.70x = 184,349,670,368,298,048
  5. Step 5: Solve for x
    x = 184,349,670,368,298,048/357,696,005.70
  6. Step 6: Final answer
    x = 515,380,846.95

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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.