Home / 15,635,442,436.81-21,579,269,140.19-9,535,333,984.11

Finding the Fourth Proportional to 15,635,442,436.81, 21,579,269,140.19 and 9,535,333,984.11

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Solution

The fourth proportional to 15,635,442,436.81, 21,579,269,140.19 and 9,535,333,984.11 is: 13,160,199,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635,442,436.81 : 21,579,269,140.19 = 9,535,333,984.11 : x
  2. Step 2: Convert to fraction form
    15,635,442,436.81/21,579,269,140.19 = 9,535,333,984.11/x
  3. Step 3: Cross multiply
    15,635,442,436.81x = 21,579,269,140.19 × 9,535,333,984.11
  4. Step 4: Simplify right side
    15,635,442,436.81x = 205,765,538,384,738,516,992
  5. Step 5: Solve for x
    x = 205,765,538,384,738,516,992/15,635,442,436.81
  6. Step 6: Final answer
    x = 13,160,199,285.46

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1.5x scale

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.