Home / 448,495,340.55-672,018,676.43-253,827,846.15

Finding the Fourth Proportional to 448,495,340.55, 672,018,676.43 and 253,827,846.15

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Solution

The fourth proportional to 448,495,340.55, 672,018,676.43 and 253,827,846.15 is: 380,331,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,495,340.55 : 672,018,676.43 = 253,827,846.15 : x
  2. Step 2: Convert to fraction form
    448,495,340.55/672,018,676.43 = 253,827,846.15/x
  3. Step 3: Cross multiply
    448,495,340.55x = 672,018,676.43 × 253,827,846.15
  4. Step 4: Simplify right side
    448,495,340.55x = 170,577,053,209,531,520
  5. Step 5: Solve for x
    x = 170,577,053,209,531,520/448,495,340.55
  6. Step 6: Final answer
    x = 380,331,829.09

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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.