Home / 771,492,640.08-1,064,659,034.20-419,068,910.64

Finding the Fourth Proportional to 771,492,640.08, 1,064,659,034.20 and 419,068,910.64

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Solution

The fourth proportional to 771,492,640.08, 1,064,659,034.20 and 419,068,910.64 is: 578,314,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,492,640.08 : 1,064,659,034.20 = 419,068,910.64 : x
  2. Step 2: Convert to fraction form
    771,492,640.08/1,064,659,034.20 = 419,068,910.64/x
  3. Step 3: Cross multiply
    771,492,640.08x = 1,064,659,034.20 × 419,068,910.64
  4. Step 4: Simplify right side
    771,492,640.08x = 446,165,501,665,228,480
  5. Step 5: Solve for x
    x = 446,165,501,665,228,480/771,492,640.08
  6. Step 6: Final answer
    x = 578,314,657.18

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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.