Home / 1,230,762,431.80-1,846,143,647.70-369,119,423.80

Finding the Fourth Proportional to 1,230,762,431.80, 1,846,143,647.70 and 369,119,423.80

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Solution

The fourth proportional to 1,230,762,431.80, 1,846,143,647.70 and 369,119,423.80 is: 553,679,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,762,431.80 : 1,846,143,647.70 = 369,119,423.80 : x
  2. Step 2: Convert to fraction form
    1,230,762,431.80/1,846,143,647.70 = 369,119,423.80/x
  3. Step 3: Cross multiply
    1,230,762,431.80x = 1,846,143,647.70 × 369,119,423.80
  4. Step 4: Simplify right side
    1,230,762,431.80x = 681,447,479,491,054,208
  5. Step 5: Solve for x
    x = 681,447,479,491,054,208/1,230,762,431.80
  6. Step 6: Final answer
    x = 553,679,135.70

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Double scale
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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.