Home / 771,804,185.70-1,065,096,503.28-419,380,175.22

Finding the Fourth Proportional to 771,804,185.70, 1,065,096,503.28 and 419,380,175.22

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Solution

The fourth proportional to 771,804,185.70, 1,065,096,503.28 and 419,380,175.22 is: 578,748,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,804,185.70 : 1,065,096,503.28 = 419,380,175.22 : x
  2. Step 2: Convert to fraction form
    771,804,185.70/1,065,096,503.28 = 419,380,175.22/x
  3. Step 3: Cross multiply
    771,804,185.70x = 1,065,096,503.28 × 419,380,175.22
  4. Step 4: Simplify right side
    771,804,185.70x = 446,680,358,171,775,744
  5. Step 5: Solve for x
    x = 446,680,358,171,775,744/771,804,185.70
  6. Step 6: Final answer
    x = 578,748,297.10

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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.