Home / 488,875,261.76-674,634,412.32-268,858,698.56

Finding the Fourth Proportional to 488,875,261.76, 674,634,412.32 and 268,858,698.56

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Solution

The fourth proportional to 488,875,261.76, 674,634,412.32 and 268,858,698.56 is: 371,017,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,875,261.76 : 674,634,412.32 = 268,858,698.56 : x
  2. Step 2: Convert to fraction form
    488,875,261.76/674,634,412.32 = 268,858,698.56/x
  3. Step 3: Cross multiply
    488,875,261.76x = 674,634,412.32 × 268,858,698.56
  4. Step 4: Simplify right side
    488,875,261.76x = 181,381,330,100,145,632
  5. Step 5: Solve for x
    x = 181,381,330,100,145,632/488,875,261.76
  6. Step 6: Final answer
    x = 371,017,607.74

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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.