Home / 692,029,503.56-954,897,982.16-420,308,577.27

Finding the Fourth Proportional to 692,029,503.56, 954,897,982.16 and 420,308,577.27

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Solution

The fourth proportional to 692,029,503.56, 954,897,982.16 and 420,308,577.27 is: 579,963,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,029,503.56 : 954,897,982.16 = 420,308,577.27 : x
  2. Step 2: Convert to fraction form
    692,029,503.56/954,897,982.16 = 420,308,577.27/x
  3. Step 3: Cross multiply
    692,029,503.56x = 954,897,982.16 × 420,308,577.27
  4. Step 4: Simplify right side
    692,029,503.56x = 401,351,812,317,561,856
  5. Step 5: Solve for x
    x = 401,351,812,317,561,856/692,029,503.56
  6. Step 6: Final answer
    x = 579,963,441.23

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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.