Home / 31,852,807,221.47-47,785,504,978.89-11,684,420,315.13

Finding the Fourth Proportional to 31,852,807,221.47, 47,785,504,978.89 and 11,684,420,315.13

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Solution

The fourth proportional to 31,852,807,221.47, 47,785,504,978.89 and 11,684,420,315.13 is: 17,528,939,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852,807,221.47 : 47,785,504,978.89 = 11,684,420,315.13 : x
  2. Step 2: Convert to fraction form
    31,852,807,221.47/47,785,504,978.89 = 11,684,420,315.13/x
  3. Step 3: Cross multiply
    31,852,807,221.47x = 47,785,504,978.89 × 11,684,420,315.13
  4. Step 4: Simplify right side
    31,852,807,221.47x = 558,345,925,144,088,018,944
  5. Step 5: Solve for x
    x = 558,345,925,144,088,018,944/31,852,807,221.47
  6. Step 6: Final answer
    x = 17,528,939,325.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.