Home / 806,786,530.23-1,113,336,018.49-449,535,848.79

Finding the Fourth Proportional to 806,786,530.23, 1,113,336,018.49 and 449,535,848.79

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Solution

The fourth proportional to 806,786,530.23, 1,113,336,018.49 and 449,535,848.79 is: 620,343,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,530.23 : 1,113,336,018.49 = 449,535,848.79 : x
  2. Step 2: Convert to fraction form
    806,786,530.23/1,113,336,018.49 = 449,535,848.79/x
  3. Step 3: Cross multiply
    806,786,530.23x = 1,113,336,018.49 × 449,535,848.79
  4. Step 4: Simplify right side
    806,786,530.23x = 500,484,452,060,381,312
  5. Step 5: Solve for x
    x = 500,484,452,060,381,312/806,786,530.23
  6. Step 6: Final answer
    x = 620,343,093.63

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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.