Home / 1,539,648,014.40-2,309,472,021.60-449,131,082.40

Finding the Fourth Proportional to 1,539,648,014.40, 2,309,472,021.60 and 449,131,082.40

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Solution

The fourth proportional to 1,539,648,014.40, 2,309,472,021.60 and 449,131,082.40 is: 673,696,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,014.40 : 2,309,472,021.60 = 449,131,082.40 : x
  2. Step 2: Convert to fraction form
    1,539,648,014.40/2,309,472,021.60 = 449,131,082.40/x
  3. Step 3: Cross multiply
    1,539,648,014.40x = 2,309,472,021.60 × 449,131,082.40
  4. Step 4: Simplify right side
    1,539,648,014.40x = 1,037,255,668,833,724,032
  5. Step 5: Solve for x
    x = 1,037,255,668,833,724,032/1,539,648,014.40
  6. Step 6: Final answer
    x = 673,696,623.60

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1.5x scale

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.