Home / 8,996,286,984.21-12,415,266,290.21-4,981,957,254.11

Finding the Fourth Proportional to 8,996,286,984.21, 12,415,266,290.21 and 4,981,957,254.11

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Solution

The fourth proportional to 8,996,286,984.21, 12,415,266,290.21 and 4,981,957,254.11 is: 6,875,317,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996,286,984.21 : 12,415,266,290.21 = 4,981,957,254.11 : x
  2. Step 2: Convert to fraction form
    8,996,286,984.21/12,415,266,290.21 = 4,981,957,254.11/x
  3. Step 3: Cross multiply
    8,996,286,984.21x = 12,415,266,290.21 × 4,981,957,254.11
  4. Step 4: Simplify right side
    8,996,286,984.21x = 61,852,325,956,166,901,760
  5. Step 5: Solve for x
    x = 61,852,325,956,166,901,760/8,996,286,984.21
  6. Step 6: Final answer
    x = 6,875,317,124.13

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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.