Home / 403,498,802,618.79-556,830,865,832.13-220,596,298,360.28

Finding the Fourth Proportional to 403,498,802,618.79, 556,830,865,832.13 and 220,596,298,360.28

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Solution

The fourth proportional to 403,498,802,618.79, 556,830,865,832.13 and 220,596,298,360.28 is: 304,424,268,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,498,802,618.79 : 556,830,865,832.13 = 220,596,298,360.28 : x
  2. Step 2: Convert to fraction form
    403,498,802,618.79/556,830,865,832.13 = 220,596,298,360.28/x
  3. Step 3: Cross multiply
    403,498,802,618.79x = 556,830,865,832.13 × 220,596,298,360.28
  4. Step 4: Simplify right side
    403,498,802,618.79x = 122,834,827,815,317,596,536,832
  5. Step 5: Solve for x
    x = 122,834,827,815,317,596,536,832/403,498,802,618.79
  6. Step 6: Final answer
    x = 304,424,268,468.94

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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.