Home / 771,492,631.56-1,064,659,022.46-419,068,902.12

Finding the Fourth Proportional to 771,492,631.56, 1,064,659,022.46 and 419,068,902.12

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Solution

The fourth proportional to 771,492,631.56, 1,064,659,022.46 and 419,068,902.12 is: 578,314,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,492,631.56 : 1,064,659,022.46 = 419,068,902.12 : x
  2. Step 2: Convert to fraction form
    771,492,631.56/1,064,659,022.46 = 419,068,902.12/x
  3. Step 3: Cross multiply
    771,492,631.56x = 1,064,659,022.46 × 419,068,902.12
  4. Step 4: Simplify right side
    771,492,631.56x = 446,165,487,674,464,640
  5. Step 5: Solve for x
    x = 446,165,487,674,464,640/771,492,631.56
  6. Step 6: Final answer
    x = 578,314,645.43

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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.