Home / 18,190,993,980.60-27,296,694,638.10-7,708,426,543.80

Finding the Fourth Proportional to 18,190,993,980.60, 27,296,694,638.10 and 7,708,426,543.80

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Solution

The fourth proportional to 18,190,993,980.60, 27,296,694,638.10 and 7,708,426,543.80 is: 11,566,963,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,993,980.60 : 27,296,694,638.10 = 7,708,426,543.80 : x
  2. Step 2: Convert to fraction form
    18,190,993,980.60/27,296,694,638.10 = 7,708,426,543.80/x
  3. Step 3: Cross multiply
    18,190,993,980.60x = 27,296,694,638.10 × 7,708,426,543.80
  4. Step 4: Simplify right side
    18,190,993,980.60x = 210,414,565,506,333,179,904
  5. Step 5: Solve for x
    x = 210,414,565,506,333,179,904/18,190,993,980.60
  6. Step 6: Final answer
    x = 11,566,963,615.66

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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.