Home / 398,563,354.77-549,528,779.34-327,751,502.37

Finding the Fourth Proportional to 398,563,354.77, 549,528,779.34 and 327,751,502.37

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Solution

The fourth proportional to 398,563,354.77, 549,528,779.34 and 327,751,502.37 is: 451,895,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,563,354.77 : 549,528,779.34 = 327,751,502.37 : x
  2. Step 2: Convert to fraction form
    398,563,354.77/549,528,779.34 = 327,751,502.37/x
  3. Step 3: Cross multiply
    398,563,354.77x = 549,528,779.34 × 327,751,502.37
  4. Step 4: Simplify right side
    398,563,354.77x = 180,108,883,024,237,216
  5. Step 5: Solve for x
    x = 180,108,883,024,237,216/398,563,354.77
  6. Step 6: Final answer
    x = 451,895,240.41

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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.