Home / 648,633,296.40-895,102,885.88-351,273,122.36

Finding the Fourth Proportional to 648,633,296.40, 895,102,885.88 and 351,273,122.36

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Solution

The fourth proportional to 648,633,296.40, 895,102,885.88 and 351,273,122.36 is: 484,750,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,633,296.40 : 895,102,885.88 = 351,273,122.36 : x
  2. Step 2: Convert to fraction form
    648,633,296.40/895,102,885.88 = 351,273,122.36/x
  3. Step 3: Cross multiply
    648,633,296.40x = 895,102,885.88 × 351,273,122.36
  4. Step 4: Simplify right side
    648,633,296.40x = 314,425,585,556,514,368
  5. Step 5: Solve for x
    x = 314,425,585,556,514,368/648,633,296.40
  6. Step 6: Final answer
    x = 484,750,917.51

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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.