Home / 1,002,818,941.02-1,383,933,360.27-556,782,326.28

Finding the Fourth Proportional to 1,002,818,941.02, 1,383,933,360.27 and 556,782,326.28

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Solution

The fourth proportional to 1,002,818,941.02, 1,383,933,360.27 and 556,782,326.28 is: 768,383,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,818,941.02 : 1,383,933,360.27 = 556,782,326.28 : x
  2. Step 2: Convert to fraction form
    1,002,818,941.02/1,383,933,360.27 = 556,782,326.28/x
  3. Step 3: Cross multiply
    1,002,818,941.02x = 1,383,933,360.27 × 556,782,326.28
  4. Step 4: Simplify right side
    1,002,818,941.02x = 770,549,635,749,743,616
  5. Step 5: Solve for x
    x = 770,549,635,749,743,616/1,002,818,941.02
  6. Step 6: Final answer
    x = 768,383,607.68

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Double scale
Find fourth proportional to 1,002,818,942.02, 1,383,933,361.65 and 556,782,327.28
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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.