Home / 6,409,741,140.72-8,845,494,710.31-3,551,931,090.18

Finding the Fourth Proportional to 6,409,741,140.72, 8,845,494,710.31 and 3,551,931,090.18

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Solution

The fourth proportional to 6,409,741,140.72, 8,845,494,710.31 and 3,551,931,090.18 is: 4,901,693,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,741,140.72 : 8,845,494,710.31 = 3,551,931,090.18 : x
  2. Step 2: Convert to fraction form
    6,409,741,140.72/8,845,494,710.31 = 3,551,931,090.18/x
  3. Step 3: Cross multiply
    6,409,741,140.72x = 8,845,494,710.31 × 3,551,931,090.18
  4. Step 4: Simplify right side
    6,409,741,140.72x = 31,418,587,669,572,816,896
  5. Step 5: Solve for x
    x = 31,418,587,669,572,816,896/6,409,741,140.72
  6. Step 6: Final answer
    x = 4,901,693,684.63

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Double scale
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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.