Home / 3,179,594,638.40-4,387,839,730.08-1,769,868,046.40

Finding the Fourth Proportional to 3,179,594,638.40, 4,387,839,730.08 and 1,769,868,046.40

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Solution

The fourth proportional to 3,179,594,638.40, 4,387,839,730.08 and 1,769,868,046.40 is: 2,442,417,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,594,638.40 : 4,387,839,730.08 = 1,769,868,046.40 : x
  2. Step 2: Convert to fraction form
    3,179,594,638.40/4,387,839,730.08 = 1,769,868,046.40/x
  3. Step 3: Cross multiply
    3,179,594,638.40x = 4,387,839,730.08 × 1,769,868,046.40
  4. Step 4: Simplify right side
    3,179,594,638.40x = 7,765,897,330,992,993,280
  5. Step 5: Solve for x
    x = 7,765,897,330,992,993,280/3,179,594,638.40
  6. Step 6: Final answer
    x = 2,442,417,419.25

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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.