Home / 461,879,131.76-692,922,105.52-155,162,879.36

Finding the Fourth Proportional to 461,879,131.76, 692,922,105.52 and 155,162,879.36

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Solution

The fourth proportional to 461,879,131.76, 692,922,105.52 and 155,162,879.36 is: 232,779,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,879,131.76 : 692,922,105.52 = 155,162,879.36 : x
  2. Step 2: Convert to fraction form
    461,879,131.76/692,922,105.52 = 155,162,879.36/x
  3. Step 3: Cross multiply
    461,879,131.76x = 692,922,105.52 × 155,162,879.36
  4. Step 4: Simplify right side
    461,879,131.76x = 107,515,789,064,676,960
  5. Step 5: Solve for x
    x = 107,515,789,064,676,960/461,879,131.76
  6. Step 6: Final answer
    x = 232,779,057.70

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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.