Home / 674,919,261.69-931,389,948.33-377,566,469.55

Finding the Fourth Proportional to 674,919,261.69, 931,389,948.33 and 377,566,469.55

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Solution

The fourth proportional to 674,919,261.69, 931,389,948.33 and 377,566,469.55 is: 521,042,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,261.69 : 931,389,948.33 = 377,566,469.55 : x
  2. Step 2: Convert to fraction form
    674,919,261.69/931,389,948.33 = 377,566,469.55/x
  3. Step 3: Cross multiply
    674,919,261.69x = 931,389,948.33 × 377,566,469.55
  4. Step 4: Simplify right side
    674,919,261.69x = 351,661,614,565,315,072
  5. Step 5: Solve for x
    x = 351,661,614,565,315,072/674,919,261.69
  6. Step 6: Final answer
    x = 521,042,492.82

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Double scale
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1.5x scale

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.