Home / 398,592,603.20-597,888,904.80-296,555,931.20

Finding the Fourth Proportional to 398,592,603.20, 597,888,904.80 and 296,555,931.20

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Solution

The fourth proportional to 398,592,603.20, 597,888,904.80 and 296,555,931.20 is: 444,833,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,592,603.20 : 597,888,904.80 = 296,555,931.20 : x
  2. Step 2: Convert to fraction form
    398,592,603.20/597,888,904.80 = 296,555,931.20/x
  3. Step 3: Cross multiply
    398,592,603.20x = 597,888,904.80 × 296,555,931.20
  4. Step 4: Simplify right side
    398,592,603.20x = 177,307,500,917,112,128
  5. Step 5: Solve for x
    x = 177,307,500,917,112,128/398,592,603.20
  6. Step 6: Final answer
    x = 444,833,896.80

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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.