Home / 488,018,809.07-732,026,617.01-177,126,010.72

Finding the Fourth Proportional to 488,018,809.07, 732,026,617.01 and 177,126,010.72

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Solution

The fourth proportional to 488,018,809.07, 732,026,617.01 and 177,126,010.72 is: 265,688,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,018,809.07 : 732,026,617.01 = 177,126,010.72 : x
  2. Step 2: Convert to fraction form
    488,018,809.07/732,026,617.01 = 177,126,010.72/x
  3. Step 3: Cross multiply
    488,018,809.07x = 732,026,617.01 × 177,126,010.72
  4. Step 4: Simplify right side
    488,018,809.07x = 129,660,954,409,787,120
  5. Step 5: Solve for x
    x = 129,660,954,409,787,120/488,018,809.07
  6. Step 6: Final answer
    x = 265,688,436.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.