Home / 21,434,415,262.40-29,579,517,585.02-11,918,762,707.77

Finding the Fourth Proportional to 21,434,415,262.40, 29,579,517,585.02 and 11,918,762,707.77

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Solution

The fourth proportional to 21,434,415,262.40, 29,579,517,585.02 and 11,918,762,707.77 is: 16,447,906,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434,415,262.40 : 29,579,517,585.02 = 11,918,762,707.77 : x
  2. Step 2: Convert to fraction form
    21,434,415,262.40/29,579,517,585.02 = 11,918,762,707.77/x
  3. Step 3: Cross multiply
    21,434,415,262.40x = 29,579,517,585.02 × 11,918,762,707.77
  4. Step 4: Simplify right side
    21,434,415,262.40x = 352,551,251,106,187,182,080
  5. Step 5: Solve for x
    x = 352,551,251,106,187,182,080/21,434,415,262.40
  6. Step 6: Final answer
    x = 16,447,906,172.86

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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.