Home / 8,077,341,629.80-12,116,012,444.70-5,320,084,004.20

Finding the Fourth Proportional to 8,077,341,629.80, 12,116,012,444.70 and 5,320,084,004.20

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Solution

The fourth proportional to 8,077,341,629.80, 12,116,012,444.70 and 5,320,084,004.20 is: 7,980,126,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,341,629.80 : 12,116,012,444.70 = 5,320,084,004.20 : x
  2. Step 2: Convert to fraction form
    8,077,341,629.80/12,116,012,444.70 = 5,320,084,004.20/x
  3. Step 3: Cross multiply
    8,077,341,629.80x = 12,116,012,444.70 × 5,320,084,004.20
  4. Step 4: Simplify right side
    8,077,341,629.80x = 64,458,204,001,736,605,696
  5. Step 5: Solve for x
    x = 64,458,204,001,736,605,696/8,077,341,629.80
  6. Step 6: Final answer
    x = 7,980,126,006.30

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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.