Home / 485,674,098.10-670,232,260.86-262,655,774.88

Finding the Fourth Proportional to 485,674,098.10, 670,232,260.86 and 262,655,774.88

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Solution

The fourth proportional to 485,674,098.10, 670,232,260.86 and 262,655,774.88 is: 362,466,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,674,098.10 : 670,232,260.86 = 262,655,774.88 : x
  2. Step 2: Convert to fraction form
    485,674,098.10/670,232,260.86 = 262,655,774.88/x
  3. Step 3: Cross multiply
    485,674,098.10x = 670,232,260.86 × 262,655,774.88
  4. Step 4: Simplify right side
    485,674,098.10x = 176,040,373,825,757,600
  5. Step 5: Solve for x
    x = 176,040,373,825,757,600/485,674,098.10
  6. Step 6: Final answer
    x = 362,466,053.91

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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.