Home / 1,269,664,820.63-1,752,159,114.10-697,472,000.74

Finding the Fourth Proportional to 1,269,664,820.63, 1,752,159,114.10 and 697,472,000.74

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Solution

The fourth proportional to 1,269,664,820.63, 1,752,159,114.10 and 697,472,000.74 is: 962,523,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,664,820.63 : 1,752,159,114.10 = 697,472,000.74 : x
  2. Step 2: Convert to fraction form
    1,269,664,820.63/1,752,159,114.10 = 697,472,000.74/x
  3. Step 3: Cross multiply
    1,269,664,820.63x = 1,752,159,114.10 × 697,472,000.74
  4. Step 4: Simplify right side
    1,269,664,820.63x = 1,222,081,922,929,267,456
  5. Step 5: Solve for x
    x = 1,222,081,922,929,267,456/1,269,664,820.63
  6. Step 6: Final answer
    x = 962,523,260.53

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Double scale
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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.