Home / 403,543,521,526.74-556,890,106,924.40-220,640,747,071.44

Finding the Fourth Proportional to 403,543,521,526.74, 556,890,106,924.40 and 220,640,747,071.44

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Solution

The fourth proportional to 403,543,521,526.74, 556,890,106,924.40 and 220,640,747,071.44 is: 304,484,256,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,543,521,526.74 : 556,890,106,924.40 = 220,640,747,071.44 : x
  2. Step 2: Convert to fraction form
    403,543,521,526.74/556,890,106,924.40 = 220,640,747,071.44/x
  3. Step 3: Cross multiply
    403,543,521,526.74x = 556,890,106,924.40 × 220,640,747,071.44
  4. Step 4: Simplify right side
    403,543,521,526.74x = 122,872,649,228,493,718,028,288
  5. Step 5: Solve for x
    x = 122,872,649,228,493,718,028,288/403,543,521,526.74
  6. Step 6: Final answer
    x = 304,484,256,775.14

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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.