Home / 737,601,818.70-1,017,948,534.39-420,075,490.62

Finding the Fourth Proportional to 737,601,818.70, 1,017,948,534.39 and 420,075,490.62

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Solution

The fourth proportional to 737,601,818.70, 1,017,948,534.39 and 420,075,490.62 is: 579,737,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,601,818.70 : 1,017,948,534.39 = 420,075,490.62 : x
  2. Step 2: Convert to fraction form
    737,601,818.70/1,017,948,534.39 = 420,075,490.62/x
  3. Step 3: Cross multiply
    737,601,818.70x = 1,017,948,534.39 × 420,075,490.62
  4. Step 4: Simplify right side
    737,601,818.70x = 427,615,230,009,789,184
  5. Step 5: Solve for x
    x = 427,615,230,009,789,184/737,601,818.70
  6. Step 6: Final answer
    x = 579,737,222.94

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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.