Home / 1,238,141,207.88-1,855,803,824.46-647,020,049.40

Finding the Fourth Proportional to 1,238,141,207.88, 1,855,803,824.46 and 647,020,049.40

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Solution

The fourth proportional to 1,238,141,207.88, 1,855,803,824.46 and 647,020,049.40 is: 969,794,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,141,207.88 : 1,855,803,824.46 = 647,020,049.40 : x
  2. Step 2: Convert to fraction form
    1,238,141,207.88/1,855,803,824.46 = 647,020,049.40/x
  3. Step 3: Cross multiply
    1,238,141,207.88x = 1,855,803,824.46 × 647,020,049.40
  4. Step 4: Simplify right side
    1,238,141,207.88x = 1,200,742,282,178,818,048
  5. Step 5: Solve for x
    x = 1,200,742,282,178,818,048/1,238,141,207.88
  6. Step 6: Final answer
    x = 969,794,296.92

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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.