Home / 403,069,857,429.43-556,232,644,063.26-220,166,889,073.47

Finding the Fourth Proportional to 403,069,857,429.43, 556,232,644,063.26 and 220,166,889,073.47

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Solution

The fourth proportional to 403,069,857,429.43, 556,232,644,063.26 and 220,166,889,073.47 is: 303,828,253,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,069,857,429.43 : 556,232,644,063.26 = 220,166,889,073.47 : x
  2. Step 2: Convert to fraction form
    403,069,857,429.43/556,232,644,063.26 = 220,166,889,073.47/x
  3. Step 3: Cross multiply
    403,069,857,429.43x = 556,232,644,063.26 × 220,166,889,073.47
  4. Step 4: Simplify right side
    403,069,857,429.43x = 122,464,010,844,518,693,732,352
  5. Step 5: Solve for x
    x = 122,464,010,844,518,693,732,352/403,069,857,429.43
  6. Step 6: Final answer
    x = 303,828,253,557.66

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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.