Home / 334,651,638.40-501,977,457.60-311,693,387.20

Finding the Fourth Proportional to 334,651,638.40, 501,977,457.60 and 311,693,387.20

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Solution

The fourth proportional to 334,651,638.40, 501,977,457.60 and 311,693,387.20 is: 467,540,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,651,638.40 : 501,977,457.60 = 311,693,387.20 : x
  2. Step 2: Convert to fraction form
    334,651,638.40/501,977,457.60 = 311,693,387.20/x
  3. Step 3: Cross multiply
    334,651,638.40x = 501,977,457.60 × 311,693,387.20
  4. Step 4: Simplify right side
    334,651,638.40x = 156,463,054,057,388,384
  5. Step 5: Solve for x
    x = 156,463,054,057,388,384/334,651,638.40
  6. Step 6: Final answer
    x = 467,540,080.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.