Home / 346,426,314.08-478,064,327.94-187,653,405.51

Finding the Fourth Proportional to 346,426,314.08, 478,064,327.94 and 187,653,405.51

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Solution

The fourth proportional to 346,426,314.08, 478,064,327.94 and 187,653,405.51 is: 258,959,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,426,314.08 : 478,064,327.94 = 187,653,405.51 : x
  2. Step 2: Convert to fraction form
    346,426,314.08/478,064,327.94 = 187,653,405.51/x
  3. Step 3: Cross multiply
    346,426,314.08x = 478,064,327.94 × 187,653,405.51
  4. Step 4: Simplify right side
    346,426,314.08x = 89,710,399,190,790,432
  5. Step 5: Solve for x
    x = 89,710,399,190,790,432/346,426,314.08
  6. Step 6: Final answer
    x = 258,959,540.73

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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.