Home / 317,908,026.80-438,717,031.26-192,458,557.52

Finding the Fourth Proportional to 317,908,026.80, 438,717,031.26 and 192,458,557.52

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Solution

The fourth proportional to 317,908,026.80, 438,717,031.26 and 192,458,557.52 is: 265,595,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,908,026.80 : 438,717,031.26 = 192,458,557.52 : x
  2. Step 2: Convert to fraction form
    317,908,026.80/438,717,031.26 = 192,458,557.52/x
  3. Step 3: Cross multiply
    317,908,026.80x = 438,717,031.26 × 192,458,557.52
  4. Step 4: Simplify right side
    317,908,026.80x = 84,434,846,995,756,352
  5. Step 5: Solve for x
    x = 84,434,846,995,756,352/317,908,026.80
  6. Step 6: Final answer
    x = 265,595,203.26

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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.