Home / 997,688,796.03-1,376,751,382.09-551,617,149.67

Finding the Fourth Proportional to 997,688,796.03, 1,376,751,382.09 and 551,617,149.67

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Solution

The fourth proportional to 997,688,796.03, 1,376,751,382.09 and 551,617,149.67 is: 761,198,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,688,796.03 : 1,376,751,382.09 = 551,617,149.67 : x
  2. Step 2: Convert to fraction form
    997,688,796.03/1,376,751,382.09 = 551,617,149.67/x
  3. Step 3: Cross multiply
    997,688,796.03x = 1,376,751,382.09 × 551,617,149.67
  4. Step 4: Simplify right side
    997,688,796.03x = 759,439,673,190,987,136
  5. Step 5: Solve for x
    x = 759,439,673,190,987,136/997,688,796.03
  6. Step 6: Final answer
    x = 761,198,959.25

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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.