Home / 540,208,630.30-745,200,345.68-328,580,188.24

Finding the Fourth Proportional to 540,208,630.30, 745,200,345.68 and 328,580,188.24

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Solution

The fourth proportional to 540,208,630.30, 745,200,345.68 and 328,580,188.24 is: 453,265,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,208,630.30 : 745,200,345.68 = 328,580,188.24 : x
  2. Step 2: Convert to fraction form
    540,208,630.30/745,200,345.68 = 328,580,188.24/x
  3. Step 3: Cross multiply
    540,208,630.30x = 745,200,345.68 × 328,580,188.24
  4. Step 4: Simplify right side
    540,208,630.30x = 244,858,069,860,047,456
  5. Step 5: Solve for x
    x = 244,858,069,860,047,456/540,208,630.30
  6. Step 6: Final answer
    x = 453,265,749.80

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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.