Home / 2,157,221,331,890.10-2,976,941,721,955.20-1,168,405,848,243.50

Finding the Fourth Proportional to 2,157,221,331,890.10, 2,976,941,721,955.20 and 1,168,405,848,243.50

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Solution

The fourth proportional to 2,157,221,331,890.10, 2,976,941,721,955.20 and 1,168,405,848,243.50 is: 1,612,387,225,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,221,331,890.10 : 2,976,941,721,955.20 = 1,168,405,848,243.50 : x
  2. Step 2: Convert to fraction form
    2,157,221,331,890.10/2,976,941,721,955.20 = 1,168,405,848,243.50/x
  3. Step 3: Cross multiply
    2,157,221,331,890.10x = 2,976,941,721,955.20 × 1,168,405,848,243.50
  4. Step 4: Simplify right side
    2,157,221,331,890.10x = 3,478,276,117,812,531,169,329,152
  5. Step 5: Solve for x
    x = 3,478,276,117,812,531,169,329,152/2,157,221,331,890.10
  6. Step 6: Final answer
    x = 1,612,387,225,359.47

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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.