Home / 1,680,423,618.30-2,520,600,813.46-560,028,640.33

Finding the Fourth Proportional to 1,680,423,618.30, 2,520,600,813.46 and 560,028,640.33

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Solution

The fourth proportional to 1,680,423,618.30, 2,520,600,813.46 and 560,028,640.33 is: 840,031,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,423,618.30 : 2,520,600,813.46 = 560,028,640.33 : x
  2. Step 2: Convert to fraction form
    1,680,423,618.30/2,520,600,813.46 = 560,028,640.33/x
  3. Step 3: Cross multiply
    1,680,423,618.30x = 2,520,600,813.46 × 560,028,640.33
  4. Step 4: Simplify right side
    1,680,423,618.30x = 1,411,608,646,380,518,656
  5. Step 5: Solve for x
    x = 1,411,608,646,380,518,656/1,680,423,618.30
  6. Step 6: Final answer
    x = 840,031,424.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.