Home / 479,682,259.64-661,966,081.98-281,447,127.16

Finding the Fourth Proportional to 479,682,259.64, 661,966,081.98 and 281,447,127.16

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Solution

The fourth proportional to 479,682,259.64, 661,966,081.98 and 281,447,127.16 is: 388,399,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682,259.64 : 661,966,081.98 = 281,447,127.16 : x
  2. Step 2: Convert to fraction form
    479,682,259.64/661,966,081.98 = 281,447,127.16/x
  3. Step 3: Cross multiply
    479,682,259.64x = 661,966,081.98 × 281,447,127.16
  4. Step 4: Simplify right side
    479,682,259.64x = 186,308,452,050,632,064
  5. Step 5: Solve for x
    x = 186,308,452,050,632,064/479,682,259.64
  6. Step 6: Final answer
    x = 388,399,713.16

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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.