Home / 512,818,075.50-707,689,566.27-277,868,554.26

Finding the Fourth Proportional to 512,818,075.50, 707,689,566.27 and 277,868,554.26

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Solution

The fourth proportional to 512,818,075.50, 707,689,566.27 and 277,868,554.26 is: 383,458,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,818,075.50 : 707,689,566.27 = 277,868,554.26 : x
  2. Step 2: Convert to fraction form
    512,818,075.50/707,689,566.27 = 277,868,554.26/x
  3. Step 3: Cross multiply
    512,818,075.50x = 707,689,566.27 × 277,868,554.26
  4. Step 4: Simplify right side
    512,818,075.50x = 196,644,676,644,331,360
  5. Step 5: Solve for x
    x = 196,644,676,644,331,360/512,818,075.50
  6. Step 6: Final answer
    x = 383,458,941.95

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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.