Home / 517,403,641.74-714,019,925.76-294,385,317.96

Finding the Fourth Proportional to 517,403,641.74, 714,019,925.76 and 294,385,317.96

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Solution

The fourth proportional to 517,403,641.74, 714,019,925.76 and 294,385,317.96 is: 406,253,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,403,641.74 : 714,019,925.76 = 294,385,317.96 : x
  2. Step 2: Convert to fraction form
    517,403,641.74/714,019,925.76 = 294,385,317.96/x
  3. Step 3: Cross multiply
    517,403,641.74x = 714,019,925.76 × 294,385,317.96
  4. Step 4: Simplify right side
    517,403,641.74x = 210,196,982,874,633,184
  5. Step 5: Solve for x
    x = 210,196,982,874,633,184/517,403,641.74
  6. Step 6: Final answer
    x = 406,253,388.88

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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.