Home / 1,261,781,819.82-1,741,254,630.29-697,250,941.20

Finding the Fourth Proportional to 1,261,781,819.82, 1,741,254,630.29 and 697,250,941.20

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Solution

The fourth proportional to 1,261,781,819.82, 1,741,254,630.29 and 697,250,941.20 is: 962,203,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,781,819.82 : 1,741,254,630.29 = 697,250,941.20 : x
  2. Step 2: Convert to fraction form
    1,261,781,819.82/1,741,254,630.29 = 697,250,941.20/x
  3. Step 3: Cross multiply
    1,261,781,819.82x = 1,741,254,630.29 × 697,250,941.20
  4. Step 4: Simplify right side
    1,261,781,819.82x = 1,214,091,429,835,074,304
  5. Step 5: Solve for x
    x = 1,214,091,429,835,074,304/1,261,781,819.82
  6. Step 6: Final answer
    x = 962,203,933.17

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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.