Home / 769,559,556.96-1,061,963,736.66-417,127,980.66

Finding the Fourth Proportional to 769,559,556.96, 1,061,963,736.66 and 417,127,980.66

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Solution

The fourth proportional to 769,559,556.96, 1,061,963,736.66 and 417,127,980.66 is: 575,621,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,556.96 : 1,061,963,736.66 = 417,127,980.66 : x
  2. Step 2: Convert to fraction form
    769,559,556.96/1,061,963,736.66 = 417,127,980.66/x
  3. Step 3: Cross multiply
    769,559,556.96x = 1,061,963,736.66 × 417,127,980.66
  4. Step 4: Simplify right side
    769,559,556.96x = 442,974,789,007,133,824
  5. Step 5: Solve for x
    x = 442,974,789,007,133,824/769,559,556.96
  6. Step 6: Final answer
    x = 575,621,191.37

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Double scale
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1.5x scale

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.