Home / 346,374,859.20-477,997,395.48-189,747,534.30

Finding the Fourth Proportional to 346,374,859.20, 477,997,395.48 and 189,747,534.30

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Solution

The fourth proportional to 346,374,859.20, 477,997,395.48 and 189,747,534.30 is: 261,851,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,374,859.20 : 477,997,395.48 = 189,747,534.30 : x
  2. Step 2: Convert to fraction form
    346,374,859.20/477,997,395.48 = 189,747,534.30/x
  3. Step 3: Cross multiply
    346,374,859.20x = 477,997,395.48 × 189,747,534.30
  4. Step 4: Simplify right side
    346,374,859.20x = 90,698,827,194,151,968
  5. Step 5: Solve for x
    x = 90,698,827,194,151,968/346,374,859.20
  6. Step 6: Final answer
    x = 261,851,646.52

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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.