Home / 1,771,417,769.20-2,657,126,653.80-680,936,412.40

Finding the Fourth Proportional to 1,771,417,769.20, 2,657,126,653.80 and 680,936,412.40

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Solution

The fourth proportional to 1,771,417,769.20, 2,657,126,653.80 and 680,936,412.40 is: 1,021,404,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,417,769.20 : 2,657,126,653.80 = 680,936,412.40 : x
  2. Step 2: Convert to fraction form
    1,771,417,769.20/2,657,126,653.80 = 680,936,412.40/x
  3. Step 3: Cross multiply
    1,771,417,769.20x = 2,657,126,653.80 × 680,936,412.40
  4. Step 4: Simplify right side
    1,771,417,769.20x = 1,809,334,290,930,988,800
  5. Step 5: Solve for x
    x = 1,809,334,290,930,988,800/1,771,417,769.20
  6. Step 6: Final answer
    x = 1,021,404,618.60

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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.