Home / 2,989,504,878.60-4,484,233,698.30-778,710,318.60

Finding the Fourth Proportional to 2,989,504,878.60, 4,484,233,698.30 and 778,710,318.60

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Solution

The fourth proportional to 2,989,504,878.60, 4,484,233,698.30 and 778,710,318.60 is: 1,168,059,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,504,878.60 : 4,484,233,698.30 = 778,710,318.60 : x
  2. Step 2: Convert to fraction form
    2,989,504,878.60/4,484,233,698.30 = 778,710,318.60/x
  3. Step 3: Cross multiply
    2,989,504,878.60x = 4,484,233,698.30 × 778,710,318.60
  4. Step 4: Simplify right side
    2,989,504,878.60x = 3,491,919,051,880,049,664
  5. Step 5: Solve for x
    x = 3,491,919,051,880,049,664/2,989,504,878.60
  6. Step 6: Final answer
    x = 1,168,059,325.43

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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.