Home / 1,284,895,778.36-1,773,166,802.82-698,184,914.36

Finding the Fourth Proportional to 1,284,895,778.36, 1,773,166,802.82 and 698,184,914.36

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Solution

The fourth proportional to 1,284,895,778.36, 1,773,166,802.82 and 698,184,914.36 is: 963,500,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,895,778.36 : 1,773,166,802.82 = 698,184,914.36 : x
  2. Step 2: Convert to fraction form
    1,284,895,778.36/1,773,166,802.82 = 698,184,914.36/x
  3. Step 3: Cross multiply
    1,284,895,778.36x = 1,773,166,802.82 × 698,184,914.36
  4. Step 4: Simplify right side
    1,284,895,778.36x = 1,237,998,312,372,876,800
  5. Step 5: Solve for x
    x = 1,237,998,312,372,876,800/1,284,895,778.36
  6. Step 6: Final answer
    x = 963,500,957.22

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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.