Home / 746,831,034.78-1,029,668,740.47-612,373,561.98

Finding the Fourth Proportional to 746,831,034.78, 1,029,668,740.47 and 612,373,561.98

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Solution

The fourth proportional to 746,831,034.78, 1,029,668,740.47 and 612,373,561.98 is: 844,289,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,831,034.78 : 1,029,668,740.47 = 612,373,561.98 : x
  2. Step 2: Convert to fraction form
    746,831,034.78/1,029,668,740.47 = 612,373,561.98/x
  3. Step 3: Cross multiply
    746,831,034.78x = 1,029,668,740.47 × 612,373,561.98
  4. Step 4: Simplify right side
    746,831,034.78x = 630,541,914,261,074,176
  5. Step 5: Solve for x
    x = 630,541,914,261,074,176/746,831,034.78
  6. Step 6: Final answer
    x = 844,289,919.54

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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.