Home / 2,187,733,127.89-3,019,071,864.03-1,197,658,544.89

Finding the Fourth Proportional to 2,187,733,127.89, 3,019,071,864.03 and 1,197,658,544.89

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Solution

The fourth proportional to 2,187,733,127.89, 3,019,071,864.03 and 1,197,658,544.89 is: 1,652,768,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,733,127.89 : 3,019,071,864.03 = 1,197,658,544.89 : x
  2. Step 2: Convert to fraction form
    2,187,733,127.89/3,019,071,864.03 = 1,197,658,544.89/x
  3. Step 3: Cross multiply
    2,187,733,127.89x = 3,019,071,864.03 × 1,197,658,544.89
  4. Step 4: Simplify right side
    2,187,733,127.89x = 3,615,817,215,592,510,464
  5. Step 5: Solve for x
    x = 3,615,817,215,592,510,464/2,187,733,127.89
  6. Step 6: Final answer
    x = 1,652,768,872.72

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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.