Home / 516,224,316.81-712,389,659.71-281,274,977.28

Finding the Fourth Proportional to 516,224,316.81, 712,389,659.71 and 281,274,977.28

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Solution

The fourth proportional to 516,224,316.81, 712,389,659.71 and 281,274,977.28 is: 388,159,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,316.81 : 712,389,659.71 = 281,274,977.28 : x
  2. Step 2: Convert to fraction form
    516,224,316.81/712,389,659.71 = 281,274,977.28/x
  3. Step 3: Cross multiply
    516,224,316.81x = 712,389,659.71 × 281,274,977.28
  4. Step 4: Simplify right side
    516,224,316.81x = 200,377,385,349,437,184
  5. Step 5: Solve for x
    x = 200,377,385,349,437,184/516,224,316.81
  6. Step 6: Final answer
    x = 388,159,524.50

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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.