Home / 771,804,183.70-1,065,096,500.52-419,380,173.22

Finding the Fourth Proportional to 771,804,183.70, 1,065,096,500.52 and 419,380,173.22

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Solution

The fourth proportional to 771,804,183.70, 1,065,096,500.52 and 419,380,173.22 is: 578,748,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,804,183.70 : 1,065,096,500.52 = 419,380,173.22 : x
  2. Step 2: Convert to fraction form
    771,804,183.70/1,065,096,500.52 = 419,380,173.22/x
  3. Step 3: Cross multiply
    771,804,183.70x = 1,065,096,500.52 × 419,380,173.22
  4. Step 4: Simplify right side
    771,804,183.70x = 446,680,354,884,093,440
  5. Step 5: Solve for x
    x = 446,680,354,884,093,440/771,804,183.70
  6. Step 6: Final answer
    x = 578,748,294.34

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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.