Home / 1,238,989,099.86-1,858,534,939.04-365,590,451.52

Finding the Fourth Proportional to 1,238,989,099.86, 1,858,534,939.04 and 365,590,451.52

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Solution

The fourth proportional to 1,238,989,099.86, 1,858,534,939.04 and 365,590,451.52 is: 548,400,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,989,099.86 : 1,858,534,939.04 = 365,590,451.52 : x
  2. Step 2: Convert to fraction form
    1,238,989,099.86/1,858,534,939.04 = 365,590,451.52/x
  3. Step 3: Cross multiply
    1,238,989,099.86x = 1,858,534,939.04 × 365,590,451.52
  4. Step 4: Simplify right side
    1,238,989,099.86x = 679,462,627,529,329,280
  5. Step 5: Solve for x
    x = 679,462,627,529,329,280/1,238,989,099.86
  6. Step 6: Final answer
    x = 548,400,811.28

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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.