Home / 1,329,698,743.70-1,994,548,115.55-409,455,508.10

Finding the Fourth Proportional to 1,329,698,743.70, 1,994,548,115.55 and 409,455,508.10

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Solution

The fourth proportional to 1,329,698,743.70, 1,994,548,115.55 and 409,455,508.10 is: 614,183,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,743.70 : 1,994,548,115.55 = 409,455,508.10 : x
  2. Step 2: Convert to fraction form
    1,329,698,743.70/1,994,548,115.55 = 409,455,508.10/x
  3. Step 3: Cross multiply
    1,329,698,743.70x = 1,994,548,115.55 × 409,455,508.10
  4. Step 4: Simplify right side
    1,329,698,743.70x = 816,678,712,082,422,784
  5. Step 5: Solve for x
    x = 816,678,712,082,422,784/1,329,698,743.70
  6. Step 6: Final answer
    x = 614,183,262.15

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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.