Home / 998,590,507.40-1,494,966,132.30-711,936,043.40

Finding the Fourth Proportional to 998,590,507.40, 1,494,966,132.30 and 711,936,043.40

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Solution

The fourth proportional to 998,590,507.40, 1,494,966,132.30 and 711,936,043.40 is: 1,065,822,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,590,507.40 : 1,494,966,132.30 = 711,936,043.40 : x
  2. Step 2: Convert to fraction form
    998,590,507.40/1,494,966,132.30 = 711,936,043.40/x
  3. Step 3: Cross multiply
    998,590,507.40x = 1,494,966,132.30 × 711,936,043.40
  4. Step 4: Simplify right side
    998,590,507.40x = 1,064,320,273,246,662,912
  5. Step 5: Solve for x
    x = 1,064,320,273,246,662,912/998,590,507.40
  6. Step 6: Final answer
    x = 1,065,822,542.23

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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.