Home / 8,742,158,013.78-12,064,214,161.22-4,727,828,198.34

Finding the Fourth Proportional to 8,742,158,013.78, 12,064,214,161.22 and 4,727,828,198.34

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Solution

The fourth proportional to 8,742,158,013.78, 12,064,214,161.22 and 4,727,828,198.34 is: 6,524,422,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,158,013.78 : 12,064,214,161.22 = 4,727,828,198.34 : x
  2. Step 2: Convert to fraction form
    8,742,158,013.78/12,064,214,161.22 = 4,727,828,198.34/x
  3. Step 3: Cross multiply
    8,742,158,013.78x = 12,064,214,161.22 × 4,727,828,198.34
  4. Step 4: Simplify right side
    8,742,158,013.78x = 57,037,531,902,205,026,304
  5. Step 5: Solve for x
    x = 57,037,531,902,205,026,304/8,742,158,013.78
  6. Step 6: Final answer
    x = 6,524,422,438.06

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Double scale
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1.5x scale

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.