Home / 519,492,738.45-716,891,118.26-281,335,988.46

Finding the Fourth Proportional to 519,492,738.45, 716,891,118.26 and 281,335,988.46

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Solution

The fourth proportional to 519,492,738.45, 716,891,118.26 and 281,335,988.46 is: 388,238,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,492,738.45 : 716,891,118.26 = 281,335,988.46 : x
  2. Step 2: Convert to fraction form
    519,492,738.45/716,891,118.26 = 281,335,988.46/x
  3. Step 3: Cross multiply
    519,492,738.45x = 716,891,118.26 × 281,335,988.46
  4. Step 4: Simplify right side
    519,492,738.45x = 201,687,271,375,153,504
  5. Step 5: Solve for x
    x = 201,687,271,375,153,504/519,492,738.45
  6. Step 6: Final answer
    x = 388,238,865.43

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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.