Home / 21,193,294,214.90-31,789,941,322.35-6,471,292,013.30

Finding the Fourth Proportional to 21,193,294,214.90, 31,789,941,322.35 and 6,471,292,013.30

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Solution

The fourth proportional to 21,193,294,214.90, 31,789,941,322.35 and 6,471,292,013.30 is: 9,706,938,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,294,214.90 : 31,789,941,322.35 = 6,471,292,013.30 : x
  2. Step 2: Convert to fraction form
    21,193,294,214.90/31,789,941,322.35 = 6,471,292,013.30/x
  3. Step 3: Cross multiply
    21,193,294,214.90x = 31,789,941,322.35 × 6,471,292,013.30
  4. Step 4: Simplify right side
    21,193,294,214.90x = 205,721,993,382,599,196,672
  5. Step 5: Solve for x
    x = 205,721,993,382,599,196,672/21,193,294,214.90
  6. Step 6: Final answer
    x = 9,706,938,019.95

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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.