Home / 663,994,840.05-916,390,598.45-552,288,601.89

Finding the Fourth Proportional to 663,994,840.05, 916,390,598.45 and 552,288,601.89

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Solution

The fourth proportional to 663,994,840.05, 916,390,598.45 and 552,288,601.89 is: 762,222,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,994,840.05 : 916,390,598.45 = 552,288,601.89 : x
  2. Step 2: Convert to fraction form
    663,994,840.05/916,390,598.45 = 552,288,601.89/x
  3. Step 3: Cross multiply
    663,994,840.05x = 916,390,598.45 × 552,288,601.89
  4. Step 4: Simplify right side
    663,994,840.05x = 506,112,082,400,329,472
  5. Step 5: Solve for x
    x = 506,112,082,400,329,472/663,994,840.05
  6. Step 6: Final answer
    x = 762,222,914.81

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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.