Home / 674,615,038.98-930,951,267.44-373,211,485.86

Finding the Fourth Proportional to 674,615,038.98, 930,951,267.44 and 373,211,485.86

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Solution

The fourth proportional to 674,615,038.98, 930,951,267.44 and 373,211,485.86 is: 515,022,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,615,038.98 : 930,951,267.44 = 373,211,485.86 : x
  2. Step 2: Convert to fraction form
    674,615,038.98/930,951,267.44 = 373,211,485.86/x
  3. Step 3: Cross multiply
    674,615,038.98x = 930,951,267.44 × 373,211,485.86
  4. Step 4: Simplify right side
    674,615,038.98x = 347,441,705,784,532,672
  5. Step 5: Solve for x
    x = 347,441,705,784,532,672/674,615,038.98
  6. Step 6: Final answer
    x = 515,022,176.66

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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.