Home / 1,578,336,031.70-2,367,504,047.55-413,802,271.70

Finding the Fourth Proportional to 1,578,336,031.70, 2,367,504,047.55 and 413,802,271.70

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Solution

The fourth proportional to 1,578,336,031.70, 2,367,504,047.55 and 413,802,271.70 is: 620,703,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,336,031.70 : 2,367,504,047.55 = 413,802,271.70 : x
  2. Step 2: Convert to fraction form
    1,578,336,031.70/2,367,504,047.55 = 413,802,271.70/x
  3. Step 3: Cross multiply
    1,578,336,031.70x = 2,367,504,047.55 × 413,802,271.70
  4. Step 4: Simplify right side
    1,578,336,031.70x = 979,678,553,135,134,848
  5. Step 5: Solve for x
    x = 979,678,553,135,134,848/1,578,336,031.70
  6. Step 6: Final answer
    x = 620,703,407.55

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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.