Home / 290,685,329,219.52-401,129,017,707.84-162,216,695,067.84

Finding the Fourth Proportional to 290,685,329,219.52, 401,129,017,707.84 and 162,216,695,067.84

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Solution

The fourth proportional to 290,685,329,219.52, 401,129,017,707.84 and 162,216,695,067.84 is: 223,849,699,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,685,329,219.52 : 401,129,017,707.84 = 162,216,695,067.84 : x
  2. Step 2: Convert to fraction form
    290,685,329,219.52/401,129,017,707.84 = 162,216,695,067.84/x
  3. Step 3: Cross multiply
    290,685,329,219.52x = 401,129,017,707.84 × 162,216,695,067.84
  4. Step 4: Simplify right side
    290,685,329,219.52x = 65,069,823,548,374,877,470,720
  5. Step 5: Solve for x
    x = 65,069,823,548,374,877,470,720/290,685,329,219.52
  6. Step 6: Final answer
    x = 223,849,699,340.13

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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.