Home / 290,987,956,797.12-401,559,106,798.08-162,531,280,067.76

Finding the Fourth Proportional to 290,987,956,797.12, 401,559,106,798.08 and 162,531,280,067.76

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Solution

The fourth proportional to 290,987,956,797.12, 401,559,106,798.08 and 162,531,280,067.76 is: 224,290,779,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,987,956,797.12 : 401,559,106,798.08 = 162,531,280,067.76 : x
  2. Step 2: Convert to fraction form
    290,987,956,797.12/401,559,106,798.08 = 162,531,280,067.76/x
  3. Step 3: Cross multiply
    290,987,956,797.12x = 401,559,106,798.08 × 162,531,280,067.76
  4. Step 4: Simplify right side
    290,987,956,797.12x = 65,265,915,650,758,292,799,488
  5. Step 5: Solve for x
    x = 65,265,915,650,758,292,799,488/290,987,956,797.12
  6. Step 6: Final answer
    x = 224,290,779,484.95

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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.