Home / 1,949,211,430.44-2,923,812,598.84-1,280,388,280.55

Finding the Fourth Proportional to 1,949,211,430.44, 2,923,812,598.84 and 1,280,388,280.55

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Solution

The fourth proportional to 1,949,211,430.44, 2,923,812,598.84 and 1,280,388,280.55 is: 1,920,579,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,211,430.44 : 2,923,812,598.84 = 1,280,388,280.55 : x
  2. Step 2: Convert to fraction form
    1,949,211,430.44/2,923,812,598.84 = 1,280,388,280.55/x
  3. Step 3: Cross multiply
    1,949,211,430.44x = 2,923,812,598.84 × 1,280,388,280.55
  4. Step 4: Simplify right side
    1,949,211,430.44x = 3,743,615,386,094,107,136
  5. Step 5: Solve for x
    x = 3,743,615,386,094,107,136/1,949,211,430.44
  6. Step 6: Final answer
    x = 1,920,579,434.14

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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.