Home / 316,542,912.30-474,814,368.45-262,123,353.90

Finding the Fourth Proportional to 316,542,912.30, 474,814,368.45 and 262,123,353.90

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Solution

The fourth proportional to 316,542,912.30, 474,814,368.45 and 262,123,353.90 is: 393,185,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542,912.30 : 474,814,368.45 = 262,123,353.90 : x
  2. Step 2: Convert to fraction form
    316,542,912.30/474,814,368.45 = 262,123,353.90/x
  3. Step 3: Cross multiply
    316,542,912.30x = 474,814,368.45 × 262,123,353.90
  4. Step 4: Simplify right side
    316,542,912.30x = 124,459,934,738,024,352
  5. Step 5: Solve for x
    x = 124,459,934,738,024,352/316,542,912.30
  6. Step 6: Final answer
    x = 393,185,030.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.