Home / 746,850,861.54-1,029,696,062.22-612,393,401.70

Finding the Fourth Proportional to 746,850,861.54, 1,029,696,062.22 and 612,393,401.70

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Solution

The fourth proportional to 746,850,861.54, 1,029,696,062.22 and 612,393,401.70 is: 844,317,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,850,861.54 : 1,029,696,062.22 = 612,393,401.70 : x
  2. Step 2: Convert to fraction form
    746,850,861.54/1,029,696,062.22 = 612,393,401.70/x
  3. Step 3: Cross multiply
    746,850,861.54x = 1,029,696,062.22 × 612,393,401.70
  4. Step 4: Simplify right side
    746,850,861.54x = 630,579,074,260,000,768
  5. Step 5: Solve for x
    x = 630,579,074,260,000,768/746,850,861.54
  6. Step 6: Final answer
    x = 844,317,261.63

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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.