Home / 361,023,079,524.70-498,205,147,322.36-198,439,249,751.68

Finding the Fourth Proportional to 361,023,079,524.70, 498,205,147,322.36 and 198,439,249,751.68

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Solution

The fourth proportional to 361,023,079,524.70, 498,205,147,322.36 and 198,439,249,751.68 is: 273,842,480,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,023,079,524.70 : 498,205,147,322.36 = 198,439,249,751.68 : x
  2. Step 2: Convert to fraction form
    361,023,079,524.70/498,205,147,322.36 = 198,439,249,751.68/x
  3. Step 3: Cross multiply
    361,023,079,524.70x = 498,205,147,322.36 × 198,439,249,751.68
  4. Step 4: Simplify right side
    361,023,079,524.70x = 98,863,455,657,074,309,988,352
  5. Step 5: Solve for x
    x = 98,863,455,657,074,309,988,352/361,023,079,524.70
  6. Step 6: Final answer
    x = 273,842,480,617.12

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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.