Home / 7,988,357,310.90-11,982,535,966.35-3,333,571,880.10

Finding the Fourth Proportional to 7,988,357,310.90, 11,982,535,966.35 and 3,333,571,880.10

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Solution

The fourth proportional to 7,988,357,310.90, 11,982,535,966.35 and 3,333,571,880.10 is: 5,000,357,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,357,310.90 : 11,982,535,966.35 = 3,333,571,880.10 : x
  2. Step 2: Convert to fraction form
    7,988,357,310.90/11,982,535,966.35 = 3,333,571,880.10/x
  3. Step 3: Cross multiply
    7,988,357,310.90x = 11,982,535,966.35 × 3,333,571,880.10
  4. Step 4: Simplify right side
    7,988,357,310.90x = 39,944,644,949,711,241,216
  5. Step 5: Solve for x
    x = 39,944,644,949,711,241,216/7,988,357,310.90
  6. Step 6: Final answer
    x = 5,000,357,820.15

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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.