Home / 807,417,134.82-1,114,236,134.19-436,139,330.22

Finding the Fourth Proportional to 807,417,134.82, 1,114,236,134.19 and 436,139,330.22

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Solution

The fourth proportional to 807,417,134.82, 1,114,236,134.19 and 436,139,330.22 is: 601,872,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,134.82 : 1,114,236,134.19 = 436,139,330.22 : x
  2. Step 2: Convert to fraction form
    807,417,134.82/1,114,236,134.19 = 436,139,330.22/x
  3. Step 3: Cross multiply
    807,417,134.82x = 1,114,236,134.19 × 436,139,330.22
  4. Step 4: Simplify right side
    807,417,134.82x = 485,962,201,272,548,672
  5. Step 5: Solve for x
    x = 485,962,201,272,548,672/807,417,134.82
  6. Step 6: Final answer
    x = 601,872,539.38

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Double scale
Find fourth proportional to 807,417,135.82, 1,114,236,135.57 and 436,139,331.22
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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.