Home / 310,678,522-428,746,651.32-169,557,447.76

Finding the Fourth Proportional to 310,678,522, 428,746,651.32 and 169,557,447.76

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Solution

The fourth proportional to 310,678,522, 428,746,651.32 and 169,557,447.76 is: 233,994,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,678,522 : 428,746,651.32 = 169,557,447.76 : x
  2. Step 2: Convert to fraction form
    310,678,522/428,746,651.32 = 169,557,447.76/x
  3. Step 3: Cross multiply
    310,678,522x = 428,746,651.32 × 169,557,447.76
  4. Step 4: Simplify right side
    310,678,522x = 72,697,187,933,465,824
  5. Step 5: Solve for x
    x = 72,697,187,933,465,824/310,678,522
  6. Step 6: Final answer
    x = 233,994,894.35

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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.