Home / 470,718,004.80-706,077,007.20-266,644,660.80

Finding the Fourth Proportional to 470,718,004.80, 706,077,007.20 and 266,644,660.80

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Solution

The fourth proportional to 470,718,004.80, 706,077,007.20 and 266,644,660.80 is: 399,966,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,718,004.80 : 706,077,007.20 = 266,644,660.80 : x
  2. Step 2: Convert to fraction form
    470,718,004.80/706,077,007.20 = 266,644,660.80/x
  3. Step 3: Cross multiply
    470,718,004.80x = 706,077,007.20 × 266,644,660.80
  4. Step 4: Simplify right side
    470,718,004.80x = 188,271,664,083,523,168
  5. Step 5: Solve for x
    x = 188,271,664,083,523,168/470,718,004.80
  6. Step 6: Final answer
    x = 399,966,991.20

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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.