Home / 609,444,846.30-914,167,269.45-425,778,836.70

Finding the Fourth Proportional to 609,444,846.30, 914,167,269.45 and 425,778,836.70

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Solution

The fourth proportional to 609,444,846.30, 914,167,269.45 and 425,778,836.70 is: 638,668,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,444,846.30 : 914,167,269.45 = 425,778,836.70 : x
  2. Step 2: Convert to fraction form
    609,444,846.30/914,167,269.45 = 425,778,836.70/x
  3. Step 3: Cross multiply
    609,444,846.30x = 914,167,269.45 × 425,778,836.70
  4. Step 4: Simplify right side
    609,444,846.30x = 389,233,076,535,636,480
  5. Step 5: Solve for x
    x = 389,233,076,535,636,480/609,444,846.30
  6. Step 6: Final answer
    x = 638,668,255.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.