Home / 663,994,838.55-916,390,596.38-552,288,600.39

Finding the Fourth Proportional to 663,994,838.55, 916,390,596.38 and 552,288,600.39

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Solution

The fourth proportional to 663,994,838.55, 916,390,596.38 and 552,288,600.39 is: 762,222,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,994,838.55 : 916,390,596.38 = 552,288,600.39 : x
  2. Step 2: Convert to fraction form
    663,994,838.55/916,390,596.38 = 552,288,600.39/x
  3. Step 3: Cross multiply
    663,994,838.55x = 916,390,596.38 × 552,288,600.39
  4. Step 4: Simplify right side
    663,994,838.55x = 506,112,079,882,506,176
  5. Step 5: Solve for x
    x = 506,112,079,882,506,176/663,994,838.55
  6. Step 6: Final answer
    x = 762,222,912.74

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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.