Home / 2,157,221,331,890.60-2,976,941,721,955.50-1,168,405,848,243.90

Finding the Fourth Proportional to 2,157,221,331,890.60, 2,976,941,721,955.50 and 1,168,405,848,243.90

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Solution

The fourth proportional to 2,157,221,331,890.60, 2,976,941,721,955.50 and 1,168,405,848,243.90 is: 1,612,387,225,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,221,331,890.60 : 2,976,941,721,955.50 = 1,168,405,848,243.90 : x
  2. Step 2: Convert to fraction form
    2,157,221,331,890.60/2,976,941,721,955.50 = 1,168,405,848,243.90/x
  3. Step 3: Cross multiply
    2,157,221,331,890.60x = 2,976,941,721,955.50 × 1,168,405,848,243.90
  4. Step 4: Simplify right side
    2,157,221,331,890.60x = 3,478,276,117,814,071,988,846,592
  5. Step 5: Solve for x
    x = 3,478,276,117,814,071,988,846,592/2,157,221,331,890.60
  6. Step 6: Final answer
    x = 1,612,387,225,359.81

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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.