Home / 663,994,848.80-916,390,610.52-552,288,610.64

Finding the Fourth Proportional to 663,994,848.80, 916,390,610.52 and 552,288,610.64

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Solution

The fourth proportional to 663,994,848.80, 916,390,610.52 and 552,288,610.64 is: 762,222,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,994,848.80 : 916,390,610.52 = 552,288,610.64 : x
  2. Step 2: Convert to fraction form
    663,994,848.80/916,390,610.52 = 552,288,610.64/x
  3. Step 3: Cross multiply
    663,994,848.80x = 916,390,610.52 × 552,288,610.64
  4. Step 4: Simplify right side
    663,994,848.80x = 506,112,097,087,632,128
  5. Step 5: Solve for x
    x = 506,112,097,087,632,128/663,994,848.80
  6. Step 6: Final answer
    x = 762,222,926.88

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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.