Home / 2,987,029,212.10-4,480,543,818.15-805,991,848.90

Finding the Fourth Proportional to 2,987,029,212.10, 4,480,543,818.15 and 805,991,848.90

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Solution

The fourth proportional to 2,987,029,212.10, 4,480,543,818.15 and 805,991,848.90 is: 1,208,987,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,029,212.10 : 4,480,543,818.15 = 805,991,848.90 : x
  2. Step 2: Convert to fraction form
    2,987,029,212.10/4,480,543,818.15 = 805,991,848.90/x
  3. Step 3: Cross multiply
    2,987,029,212.10x = 4,480,543,818.15 × 805,991,848.90
  4. Step 4: Simplify right side
    2,987,029,212.10x = 3,611,281,796,068,183,552
  5. Step 5: Solve for x
    x = 3,611,281,796,068,183,552/2,987,029,212.10
  6. Step 6: Final answer
    x = 1,208,987,773.35

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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.