Home / 405,046,318.32-558,952,466.40-237,779,892.72

Finding the Fourth Proportional to 405,046,318.32, 558,952,466.40 and 237,779,892.72

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Solution

The fourth proportional to 405,046,318.32, 558,952,466.40 and 237,779,892.72 is: 328,129,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,046,318.32 : 558,952,466.40 = 237,779,892.72 : x
  2. Step 2: Convert to fraction form
    405,046,318.32/558,952,466.40 = 237,779,892.72/x
  3. Step 3: Cross multiply
    405,046,318.32x = 558,952,466.40 × 237,779,892.72
  4. Step 4: Simplify right side
    405,046,318.32x = 132,907,657,496,171,392
  5. Step 5: Solve for x
    x = 132,907,657,496,171,392/405,046,318.32
  6. Step 6: Final answer
    x = 328,129,528.61

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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.