Home / 512,818,075-707,689,565.58-277,868,553.76

Finding the Fourth Proportional to 512,818,075, 707,689,565.58 and 277,868,553.76

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Solution

The fourth proportional to 512,818,075, 707,689,565.58 and 277,868,553.76 is: 383,458,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,818,075 : 707,689,565.58 = 277,868,553.76 : x
  2. Step 2: Convert to fraction form
    512,818,075/707,689,565.58 = 277,868,553.76/x
  3. Step 3: Cross multiply
    512,818,075x = 707,689,565.58 × 277,868,553.76
  4. Step 4: Simplify right side
    512,818,075x = 196,644,676,098,757,280
  5. Step 5: Solve for x
    x = 196,644,676,098,757,280/512,818,075
  6. Step 6: Final answer
    x = 383,458,941.26

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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.