Home / 530,530,763.59-732,140,460.85-304,507,134.82

Finding the Fourth Proportional to 530,530,763.59, 732,140,460.85 and 304,507,134.82

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Solution

The fourth proportional to 530,530,763.59, 732,140,460.85 and 304,507,134.82 is: 420,224,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,530,763.59 : 732,140,460.85 = 304,507,134.82 : x
  2. Step 2: Convert to fraction form
    530,530,763.59/732,140,460.85 = 304,507,134.82/x
  3. Step 3: Cross multiply
    530,530,763.59x = 732,140,460.85 × 304,507,134.82
  4. Step 4: Simplify right side
    530,530,763.59x = 222,941,994,019,227,872
  5. Step 5: Solve for x
    x = 222,941,994,019,227,872/530,530,763.59
  6. Step 6: Final answer
    x = 420,224,441.86

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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.