Home / 1,124,459,871.78-1,686,846,749.22-469,260,711.66

Finding the Fourth Proportional to 1,124,459,871.78, 1,686,846,749.22 and 469,260,711.66

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Solution

The fourth proportional to 1,124,459,871.78, 1,686,846,749.22 and 469,260,711.66 is: 703,956,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,459,871.78 : 1,686,846,749.22 = 469,260,711.66 : x
  2. Step 2: Convert to fraction form
    1,124,459,871.78/1,686,846,749.22 = 469,260,711.66/x
  3. Step 3: Cross multiply
    1,124,459,871.78x = 1,686,846,749.22 × 469,260,711.66
  4. Step 4: Simplify right side
    1,124,459,871.78x = 791,570,906,000,334,848
  5. Step 5: Solve for x
    x = 791,570,906,000,334,848/1,124,459,871.78
  6. Step 6: Final answer
    x = 703,956,562.49

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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.