Home / 20,485,675,615.36-28,254,579,737.66-17,632,596,077.39

Finding the Fourth Proportional to 20,485,675,615.36, 28,254,579,737.66 and 17,632,596,077.39

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Solution

The fourth proportional to 20,485,675,615.36, 28,254,579,737.66 and 17,632,596,077.39 is: 24,319,509,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,675,615.36 : 28,254,579,737.66 = 17,632,596,077.39 : x
  2. Step 2: Convert to fraction form
    20,485,675,615.36/28,254,579,737.66 = 17,632,596,077.39/x
  3. Step 3: Cross multiply
    20,485,675,615.36x = 28,254,579,737.66 × 17,632,596,077.39
  4. Step 4: Simplify right side
    20,485,675,615.36x = 498,201,591,850,566,680,576
  5. Step 5: Solve for x
    x = 498,201,591,850,566,680,576/20,485,675,615.36
  6. Step 6: Final answer
    x = 24,319,509,944.65

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1.5x scale

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.