Home / 368,832,436.46-508,990,349.32-201,572,127.98

Finding the Fourth Proportional to 368,832,436.46, 508,990,349.32 and 201,572,127.98

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Solution

The fourth proportional to 368,832,436.46, 508,990,349.32 and 201,572,127.98 is: 278,170,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,832,436.46 : 508,990,349.32 = 201,572,127.98 : x
  2. Step 2: Convert to fraction form
    368,832,436.46/508,990,349.32 = 201,572,127.98/x
  3. Step 3: Cross multiply
    368,832,436.46x = 508,990,349.32 × 201,572,127.98
  4. Step 4: Simplify right side
    368,832,436.46x = 102,598,267,833,715,936
  5. Step 5: Solve for x
    x = 102,598,267,833,715,936/368,832,436.46
  6. Step 6: Final answer
    x = 278,170,403.93

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Why These Related Problems?

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