Home / 14,593,130,002.52-20,137,979,871.42-7,909,983,091.16

Finding the Fourth Proportional to 14,593,130,002.52, 20,137,979,871.42 and 7,909,983,091.16

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Solution

The fourth proportional to 14,593,130,002.52, 20,137,979,871.42 and 7,909,983,091.16 is: 10,915,484,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593,130,002.52 : 20,137,979,871.42 = 7,909,983,091.16 : x
  2. Step 2: Convert to fraction form
    14,593,130,002.52/20,137,979,871.42 = 7,909,983,091.16/x
  3. Step 3: Cross multiply
    14,593,130,002.52x = 20,137,979,871.42 × 7,909,983,091.16
  4. Step 4: Simplify right side
    14,593,130,002.52x = 159,291,080,273,052,598,272
  5. Step 5: Solve for x
    x = 159,291,080,273,052,598,272/14,593,130,002.52
  6. Step 6: Final answer
    x = 10,915,484,220.69

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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.