Home / 537,876,050.22-742,611,667.95-438,992,668.62

Finding the Fourth Proportional to 537,876,050.22, 742,611,667.95 and 438,992,668.62

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Solution

The fourth proportional to 537,876,050.22, 742,611,667.95 and 438,992,668.62 is: 606,089,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,876,050.22 : 742,611,667.95 = 438,992,668.62 : x
  2. Step 2: Convert to fraction form
    537,876,050.22/742,611,667.95 = 438,992,668.62/x
  3. Step 3: Cross multiply
    537,876,050.22x = 742,611,667.95 × 438,992,668.62
  4. Step 4: Simplify right side
    537,876,050.22x = 326,001,077,861,719,872
  5. Step 5: Solve for x
    x = 326,001,077,861,719,872/537,876,050.22
  6. Step 6: Final answer
    x = 606,089,595.79

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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.