Home / 448,560,713.80-672,116,736.30-253,893,219.40

Finding the Fourth Proportional to 448,560,713.80, 672,116,736.30 and 253,893,219.40

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Solution

The fourth proportional to 448,560,713.80, 672,116,736.30 and 253,893,219.40 is: 380,429,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,560,713.80 : 672,116,736.30 = 253,893,219.40 : x
  2. Step 2: Convert to fraction form
    448,560,713.80/672,116,736.30 = 253,893,219.40/x
  3. Step 3: Cross multiply
    448,560,713.80x = 672,116,736.30 × 253,893,219.40
  4. Step 4: Simplify right side
    448,560,713.80x = 170,645,881,991,827,840
  5. Step 5: Solve for x
    x = 170,645,881,991,827,840/448,560,713.80
  6. Step 6: Final answer
    x = 380,429,843.14

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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.