Home / 841,131,930.98-1,259,637,567.51-694,669,415.78

Finding the Fourth Proportional to 841,131,930.98, 1,259,637,567.51 and 694,669,415.78

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Solution

The fourth proportional to 841,131,930.98, 1,259,637,567.51 and 694,669,415.78 is: 1,040,302,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,131,930.98 : 1,259,637,567.51 = 694,669,415.78 : x
  2. Step 2: Convert to fraction form
    841,131,930.98/1,259,637,567.51 = 694,669,415.78/x
  3. Step 3: Cross multiply
    841,131,930.98x = 1,259,637,567.51 × 694,669,415.78
  4. Step 4: Simplify right side
    841,131,930.98x = 875,031,693,116,711,936
  5. Step 5: Solve for x
    x = 875,031,693,116,711,936/841,131,930.98
  6. Step 6: Final answer
    x = 1,040,302,550.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.