Home / 361,535,078,799.36-498,922,977,899.52-198,973,435,514.88

Finding the Fourth Proportional to 361,535,078,799.36, 498,922,977,899.52 and 198,973,435,514.88

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Solution

The fourth proportional to 361,535,078,799.36, 498,922,977,899.52 and 198,973,435,514.88 is: 274,585,855,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,535,078,799.36 : 498,922,977,899.52 = 198,973,435,514.88 : x
  2. Step 2: Convert to fraction form
    361,535,078,799.36/498,922,977,899.52 = 198,973,435,514.88/x
  3. Step 3: Cross multiply
    361,535,078,799.36x = 498,922,977,899.52 × 198,973,435,514.88
  4. Step 4: Simplify right side
    361,535,078,799.36x = 99,272,418,969,982,053,908,480
  5. Step 5: Solve for x
    x = 99,272,418,969,982,053,908,480/361,535,078,799.36
  6. Step 6: Final answer
    x = 274,585,855,678.68

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1.5x scale

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.