Home / 15,635,442,442.07-21,579,269,147.45-9,535,333,989.36

Finding the Fourth Proportional to 15,635,442,442.07, 21,579,269,147.45 and 9,535,333,989.36

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Solution

The fourth proportional to 15,635,442,442.07, 21,579,269,147.45 and 9,535,333,989.36 is: 13,160,199,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635,442,442.07 : 21,579,269,147.45 = 9,535,333,989.36 : x
  2. Step 2: Convert to fraction form
    15,635,442,442.07/21,579,269,147.45 = 9,535,333,989.36/x
  3. Step 3: Cross multiply
    15,635,442,442.07x = 21,579,269,147.45 × 9,535,333,989.36
  4. Step 4: Simplify right side
    15,635,442,442.07x = 205,765,538,567,179,894,784
  5. Step 5: Solve for x
    x = 205,765,538,567,179,894,784/15,635,442,442.07
  6. Step 6: Final answer
    x = 13,160,199,292.70

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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.