Home / 346,374,861.70-477,997,398.93-189,747,536.80

Finding the Fourth Proportional to 346,374,861.70, 477,997,398.93 and 189,747,536.80

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Solution

The fourth proportional to 346,374,861.70, 477,997,398.93 and 189,747,536.80 is: 261,851,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,374,861.70 : 477,997,398.93 = 189,747,536.80 : x
  2. Step 2: Convert to fraction form
    346,374,861.70/477,997,398.93 = 189,747,536.80/x
  3. Step 3: Cross multiply
    346,374,861.70x = 477,997,398.93 × 189,747,536.80
  4. Step 4: Simplify right side
    346,374,861.70x = 90,698,829,043,774,464
  5. Step 5: Solve for x
    x = 90,698,829,043,774,464/346,374,861.70
  6. Step 6: Final answer
    x = 261,851,649.97

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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.