Home / 291,635,547.40-437,453,321.10-287,100,584.20

Finding the Fourth Proportional to 291,635,547.40, 437,453,321.10 and 287,100,584.20

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Solution

The fourth proportional to 291,635,547.40, 437,453,321.10 and 287,100,584.20 is: 430,650,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,635,547.40 : 437,453,321.10 = 287,100,584.20 : x
  2. Step 2: Convert to fraction form
    291,635,547.40/437,453,321.10 = 287,100,584.20/x
  3. Step 3: Cross multiply
    291,635,547.40x = 437,453,321.10 × 287,100,584.20
  4. Step 4: Simplify right side
    291,635,547.40x = 125,593,104,048,040,192
  5. Step 5: Solve for x
    x = 125,593,104,048,040,192/291,635,547.40
  6. Step 6: Final answer
    x = 430,650,876.30

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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.