Home / 448,560,742.80-672,116,779.80-253,893,248.40

Finding the Fourth Proportional to 448,560,742.80, 672,116,779.80 and 253,893,248.40

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Solution

The fourth proportional to 448,560,742.80, 672,116,779.80 and 253,893,248.40 is: 380,429,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,560,742.80 : 672,116,779.80 = 253,893,248.40 : x
  2. Step 2: Convert to fraction form
    448,560,742.80/672,116,779.80 = 253,893,248.40/x
  3. Step 3: Cross multiply
    448,560,742.80x = 672,116,779.80 × 253,893,248.40
  4. Step 4: Simplify right side
    448,560,742.80x = 170,645,912,527,569,504
  5. Step 5: Solve for x
    x = 170,645,912,527,569,504/448,560,742.80
  6. Step 6: Final answer
    x = 380,429,886.62

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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.