Home / 1,989,711,666.90-2,984,567,500.35-1,796,001,422.40

Finding the Fourth Proportional to 1,989,711,666.90, 2,984,567,500.35 and 1,796,001,422.40

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Solution

The fourth proportional to 1,989,711,666.90, 2,984,567,500.35 and 1,796,001,422.40 is: 2,694,002,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,711,666.90 : 2,984,567,500.35 = 1,796,001,422.40 : x
  2. Step 2: Convert to fraction form
    1,989,711,666.90/2,984,567,500.35 = 1,796,001,422.40/x
  3. Step 3: Cross multiply
    1,989,711,666.90x = 2,984,567,500.35 × 1,796,001,422.40
  4. Step 4: Simplify right side
    1,989,711,666.90x = 5,360,287,475,877,412,864
  5. Step 5: Solve for x
    x = 5,360,287,475,877,412,864/1,989,711,666.90
  6. Step 6: Final answer
    x = 2,694,002,133.60

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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.