Home / 663,868,479.32-916,551,955.20-422,600,586.74

Finding the Fourth Proportional to 663,868,479.32, 916,551,955.20 and 422,600,586.74

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Solution

The fourth proportional to 663,868,479.32, 916,551,955.20 and 422,600,586.74 is: 583,452,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,868,479.32 : 916,551,955.20 = 422,600,586.74 : x
  2. Step 2: Convert to fraction form
    663,868,479.32/916,551,955.20 = 422,600,586.74/x
  3. Step 3: Cross multiply
    663,868,479.32x = 916,551,955.20 × 422,600,586.74
  4. Step 4: Simplify right side
    663,868,479.32x = 387,335,394,045,214,208
  5. Step 5: Solve for x
    x = 387,335,394,045,214,208/663,868,479.32
  6. Step 6: Final answer
    x = 583,452,003.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.