Home / 517,403,653.17-714,019,941.53-294,385,329.39

Finding the Fourth Proportional to 517,403,653.17, 714,019,941.53 and 294,385,329.39

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Solution

The fourth proportional to 517,403,653.17, 714,019,941.53 and 294,385,329.39 is: 406,253,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,403,653.17 : 714,019,941.53 = 294,385,329.39 : x
  2. Step 2: Convert to fraction form
    517,403,653.17/714,019,941.53 = 294,385,329.39/x
  3. Step 3: Cross multiply
    517,403,653.17x = 714,019,941.53 × 294,385,329.39
  4. Step 4: Simplify right side
    517,403,653.17x = 210,196,995,678,337,568
  5. Step 5: Solve for x
    x = 210,196,995,678,337,568/517,403,653.17
  6. Step 6: Final answer
    x = 406,253,404.65

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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.