Home / 1,213,660,593.76-1,820,491,775.52-293,537,818.48

Finding the Fourth Proportional to 1,213,660,593.76, 1,820,491,775.52 and 293,537,818.48

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Solution

The fourth proportional to 1,213,660,593.76, 1,820,491,775.52 and 293,537,818.48 is: 440,306,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,660,593.76 : 1,820,491,775.52 = 293,537,818.48 : x
  2. Step 2: Convert to fraction form
    1,213,660,593.76/1,820,491,775.52 = 293,537,818.48/x
  3. Step 3: Cross multiply
    1,213,660,593.76x = 1,820,491,775.52 × 293,537,818.48
  4. Step 4: Simplify right side
    1,213,660,593.76x = 534,383,184,346,922,688
  5. Step 5: Solve for x
    x = 534,383,184,346,922,688/1,213,660,593.76
  6. Step 6: Final answer
    x = 440,306,941.74

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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.