Home / 1,347,639,266.61-2,021,456,189.10-1,265,631,179.01

Finding the Fourth Proportional to 1,347,639,266.61, 2,021,456,189.10 and 1,265,631,179.01

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Solution

The fourth proportional to 1,347,639,266.61, 2,021,456,189.10 and 1,265,631,179.01 is: 1,898,444,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,639,266.61 : 2,021,456,189.10 = 1,265,631,179.01 : x
  2. Step 2: Convert to fraction form
    1,347,639,266.61/2,021,456,189.10 = 1,265,631,179.01/x
  3. Step 3: Cross multiply
    1,347,639,266.61x = 2,021,456,189.10 × 1,265,631,179.01
  4. Step 4: Simplify right side
    1,347,639,266.61x = 2,558,417,979,931,414,016
  5. Step 5: Solve for x
    x = 2,558,417,979,931,414,016/1,347,639,266.61
  6. Step 6: Final answer
    x = 1,898,444,222.67

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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.