Home / 516,900,637.52-713,325,097.44-281,956,418

Finding the Fourth Proportional to 516,900,637.52, 713,325,097.44 and 281,956,418

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Solution

The fourth proportional to 516,900,637.52, 713,325,097.44 and 281,956,418 is: 389,101,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,900,637.52 : 713,325,097.44 = 281,956,418 : x
  2. Step 2: Convert to fraction form
    516,900,637.52/713,325,097.44 = 281,956,418/x
  3. Step 3: Cross multiply
    516,900,637.52x = 713,325,097.44 × 281,956,418
  4. Step 4: Simplify right side
    516,900,637.52x = 201,126,589,343,683,392
  5. Step 5: Solve for x
    x = 201,126,589,343,683,392/516,900,637.52
  6. Step 6: Final answer
    x = 389,101,066.52

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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.