Home / 405,046,329.32-558,952,481.58-237,779,903.72

Finding the Fourth Proportional to 405,046,329.32, 558,952,481.58 and 237,779,903.72

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Solution

The fourth proportional to 405,046,329.32, 558,952,481.58 and 237,779,903.72 is: 328,129,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,046,329.32 : 558,952,481.58 = 237,779,903.72 : x
  2. Step 2: Convert to fraction form
    405,046,329.32/558,952,481.58 = 237,779,903.72/x
  3. Step 3: Cross multiply
    405,046,329.32x = 558,952,481.58 × 237,779,903.72
  4. Step 4: Simplify right side
    405,046,329.32x = 132,907,667,254,147,488
  5. Step 5: Solve for x
    x = 132,907,667,254,147,488/405,046,329.32
  6. Step 6: Final answer
    x = 328,129,543.79

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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.