Home / 21,516,578,742.43-29,692,981,795.10-11,871,308,226.41

Finding the Fourth Proportional to 21,516,578,742.43, 29,692,981,795.10 and 11,871,308,226.41

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Solution

The fourth proportional to 21,516,578,742.43, 29,692,981,795.10 and 11,871,308,226.41 is: 16,382,462,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516,578,742.43 : 29,692,981,795.10 = 11,871,308,226.41 : x
  2. Step 2: Convert to fraction form
    21,516,578,742.43/29,692,981,795.10 = 11,871,308,226.41/x
  3. Step 3: Cross multiply
    21,516,578,742.43x = 29,692,981,795.10 × 11,871,308,226.41
  4. Step 4: Simplify right side
    21,516,578,742.43x = 352,494,539,050,812,964,864
  5. Step 5: Solve for x
    x = 352,494,539,050,812,964,864/21,516,578,742.43
  6. Step 6: Final answer
    x = 16,382,462,252.50

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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.