Home / 1,521,701,549.28-2,099,912,610.96-895,210,322.40

Finding the Fourth Proportional to 1,521,701,549.28, 2,099,912,610.96 and 895,210,322.40

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Solution

The fourth proportional to 1,521,701,549.28, 2,099,912,610.96 and 895,210,322.40 is: 1,235,369,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,701,549.28 : 2,099,912,610.96 = 895,210,322.40 : x
  2. Step 2: Convert to fraction form
    1,521,701,549.28/2,099,912,610.96 = 895,210,322.40/x
  3. Step 3: Cross multiply
    1,521,701,549.28x = 2,099,912,610.96 × 895,210,322.40
  4. Step 4: Simplify right side
    1,521,701,549.28x = 1,879,863,445,469,327,360
  5. Step 5: Solve for x
    x = 1,879,863,445,469,327,360/1,521,701,549.28
  6. Step 6: Final answer
    x = 1,235,369,344.51

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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.