Home / 346,328,390.72-477,927,272.32-187,557,223.68

Finding the Fourth Proportional to 346,328,390.72, 477,927,272.32 and 187,557,223.68

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Solution

The fourth proportional to 346,328,390.72, 477,927,272.32 and 187,557,223.68 is: 258,825,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,328,390.72 : 477,927,272.32 = 187,557,223.68 : x
  2. Step 2: Convert to fraction form
    346,328,390.72/477,927,272.32 = 187,557,223.68/x
  3. Step 3: Cross multiply
    346,328,390.72x = 477,927,272.32 × 187,557,223.68
  4. Step 4: Simplify right side
    346,328,390.72x = 89,638,712,317,294,512
  5. Step 5: Solve for x
    x = 89,638,712,317,294,512/346,328,390.72
  6. Step 6: Final answer
    x = 258,825,769.76

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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.