Home / 3,996,708,823.95-5,515,239,669.76-2,187,870,771.47

Finding the Fourth Proportional to 3,996,708,823.95, 5,515,239,669.76 and 2,187,870,771.47

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Solution

The fourth proportional to 3,996,708,823.95, 5,515,239,669.76 and 2,187,870,771.47 is: 3,019,142,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,708,823.95 : 5,515,239,669.76 = 2,187,870,771.47 : x
  2. Step 2: Convert to fraction form
    3,996,708,823.95/5,515,239,669.76 = 2,187,870,771.47/x
  3. Step 3: Cross multiply
    3,996,708,823.95x = 5,515,239,669.76 × 2,187,870,771.47
  4. Step 4: Simplify right side
    3,996,708,823.95x = 12,066,631,671,082,119,168
  5. Step 5: Solve for x
    x = 12,066,631,671,082,119,168/3,996,708,823.95
  6. Step 6: Final answer
    x = 3,019,142,049.77

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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.