Home / 558,899,409.18-771,258,729.27-304,575,365.25

Finding the Fourth Proportional to 558,899,409.18, 771,258,729.27 and 304,575,365.25

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Solution

The fourth proportional to 558,899,409.18, 771,258,729.27 and 304,575,365.25 is: 420,301,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,899,409.18 : 771,258,729.27 = 304,575,365.25 : x
  2. Step 2: Convert to fraction form
    558,899,409.18/771,258,729.27 = 304,575,365.25/x
  3. Step 3: Cross multiply
    558,899,409.18x = 771,258,729.27 × 304,575,365.25
  4. Step 4: Simplify right side
    558,899,409.18x = 234,906,409,169,661,120
  5. Step 5: Solve for x
    x = 234,906,409,169,661,120/558,899,409.18
  6. Step 6: Final answer
    x = 420,301,766.85

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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.