Home / 1,778,290,123.74-2,667,193,034.49-468,082,461.30

Finding the Fourth Proportional to 1,778,290,123.74, 2,667,193,034.49 and 468,082,461.30

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Solution

The fourth proportional to 1,778,290,123.74, 2,667,193,034.49 and 468,082,461.30 is: 702,059,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,290,123.74 : 2,667,193,034.49 = 468,082,461.30 : x
  2. Step 2: Convert to fraction form
    1,778,290,123.74/2,667,193,034.49 = 468,082,461.30/x
  3. Step 3: Cross multiply
    1,778,290,123.74x = 2,667,193,034.49 × 468,082,461.30
  4. Step 4: Simplify right side
    1,778,290,123.74x = 1,248,466,280,346,295,040
  5. Step 5: Solve for x
    x = 1,248,466,280,346,295,040/1,778,290,123.74
  6. Step 6: Final answer
    x = 702,059,952.80

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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.