Home / 715,031,609.42-1,072,567,541.52-197,462,053.82

Finding the Fourth Proportional to 715,031,609.42, 1,072,567,541.52 and 197,462,053.82

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Solution

The fourth proportional to 715,031,609.42, 1,072,567,541.52 and 197,462,053.82 is: 296,198,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,031,609.42 : 1,072,567,541.52 = 197,462,053.82 : x
  2. Step 2: Convert to fraction form
    715,031,609.42/1,072,567,541.52 = 197,462,053.82/x
  3. Step 3: Cross multiply
    715,031,609.42x = 1,072,567,541.52 × 197,462,053.82
  4. Step 4: Simplify right side
    715,031,609.42x = 211,791,389,609,207,328
  5. Step 5: Solve for x
    x = 211,791,389,609,207,328/715,031,609.42
  6. Step 6: Final answer
    x = 296,198,639.08

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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.