Home / 480,724,043.10-721,086,064.65-448,475,415.90

Finding the Fourth Proportional to 480,724,043.10, 721,086,064.65 and 448,475,415.90

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Solution

The fourth proportional to 480,724,043.10, 721,086,064.65 and 448,475,415.90 is: 672,713,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,724,043.10 : 721,086,064.65 = 448,475,415.90 : x
  2. Step 2: Convert to fraction form
    480,724,043.10/721,086,064.65 = 448,475,415.90/x
  3. Step 3: Cross multiply
    480,724,043.10x = 721,086,064.65 × 448,475,415.90
  4. Step 4: Simplify right side
    480,724,043.10x = 323,389,372,743,603,008
  5. Step 5: Solve for x
    x = 323,389,372,743,603,008/480,724,043.10
  6. Step 6: Final answer
    x = 672,713,123.85

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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.