Home / 2,987,047,474.60-4,480,571,211.90-2,578,564,863.40

Finding the Fourth Proportional to 2,987,047,474.60, 4,480,571,211.90 and 2,578,564,863.40

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Solution

The fourth proportional to 2,987,047,474.60, 4,480,571,211.90 and 2,578,564,863.40 is: 3,867,847,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,047,474.60 : 4,480,571,211.90 = 2,578,564,863.40 : x
  2. Step 2: Convert to fraction form
    2,987,047,474.60/4,480,571,211.90 = 2,578,564,863.40/x
  3. Step 3: Cross multiply
    2,987,047,474.60x = 4,480,571,211.90 × 2,578,564,863.40
  4. Step 4: Simplify right side
    2,987,047,474.60x = 11,553,443,494,966,894,592
  5. Step 5: Solve for x
    x = 11,553,443,494,966,894,592/2,987,047,474.60
  6. Step 6: Final answer
    x = 3,867,847,295.10

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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.