Home / 21,516,578,739.18-29,692,981,790.62-11,871,308,223.16

Finding the Fourth Proportional to 21,516,578,739.18, 29,692,981,790.62 and 11,871,308,223.16

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Solution

The fourth proportional to 21,516,578,739.18, 29,692,981,790.62 and 11,871,308,223.16 is: 16,382,462,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516,578,739.18 : 29,692,981,790.62 = 11,871,308,223.16 : x
  2. Step 2: Convert to fraction form
    21,516,578,739.18/29,692,981,790.62 = 11,871,308,223.16/x
  3. Step 3: Cross multiply
    21,516,578,739.18x = 29,692,981,790.62 × 11,871,308,223.16
  4. Step 4: Simplify right side
    21,516,578,739.18x = 352,494,538,901,014,511,616
  5. Step 5: Solve for x
    x = 352,494,538,901,014,511,616/21,516,578,739.18
  6. Step 6: Final answer
    x = 16,382,462,248.01

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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.