Home / 692,029,504.06-954,897,982.85-420,308,577.77

Finding the Fourth Proportional to 692,029,504.06, 954,897,982.85 and 420,308,577.77

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Solution

The fourth proportional to 692,029,504.06, 954,897,982.85 and 420,308,577.77 is: 579,963,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,029,504.06 : 954,897,982.85 = 420,308,577.77 : x
  2. Step 2: Convert to fraction form
    692,029,504.06/954,897,982.85 = 420,308,577.77/x
  3. Step 3: Cross multiply
    692,029,504.06x = 954,897,982.85 × 420,308,577.77
  4. Step 4: Simplify right side
    692,029,504.06x = 401,351,813,085,023,808
  5. Step 5: Solve for x
    x = 401,351,813,085,023,808/692,029,504.06
  6. Step 6: Final answer
    x = 579,963,441.92

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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.