Home / 365,345,137.86-503,688,565.53-290,240,662.02

Finding the Fourth Proportional to 365,345,137.86, 503,688,565.53 and 290,240,662.02

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Solution

The fourth proportional to 365,345,137.86, 503,688,565.53 and 290,240,662.02 is: 400,144,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,345,137.86 : 503,688,565.53 = 290,240,662.02 : x
  2. Step 2: Convert to fraction form
    365,345,137.86/503,688,565.53 = 290,240,662.02/x
  3. Step 3: Cross multiply
    365,345,137.86x = 503,688,565.53 × 290,240,662.02
  4. Step 4: Simplify right side
    365,345,137.86x = 146,190,902,711,331,328
  5. Step 5: Solve for x
    x = 146,190,902,711,331,328/365,345,137.86
  6. Step 6: Final answer
    x = 400,144,651.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.