Home / 4,060,621,962.39-5,605,494,428.88-2,557,457,430.78

Finding the Fourth Proportional to 4,060,621,962.39, 5,605,494,428.88 and 2,557,457,430.78

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Solution

The fourth proportional to 4,060,621,962.39, 5,605,494,428.88 and 2,557,457,430.78 is: 3,530,447,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060,621,962.39 : 5,605,494,428.88 = 2,557,457,430.78 : x
  2. Step 2: Convert to fraction form
    4,060,621,962.39/5,605,494,428.88 = 2,557,457,430.78/x
  3. Step 3: Cross multiply
    4,060,621,962.39x = 5,605,494,428.88 × 2,557,457,430.78
  4. Step 4: Simplify right side
    4,060,621,962.39x = 14,335,813,380,335,048,704
  5. Step 5: Solve for x
    x = 14,335,813,380,335,048,704/4,060,621,962.39
  6. Step 6: Final answer
    x = 3,530,447,678.49

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Double scale
Find fourth proportional to 4,060,621,963.39, 5,605,494,430.26 and 2,557,457,431.78
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1.5x scale

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.