Home / 896,872,620.30-1,345,308,930.45-413,143,212.30

Finding the Fourth Proportional to 896,872,620.30, 1,345,308,930.45 and 413,143,212.30

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Solution

The fourth proportional to 896,872,620.30, 1,345,308,930.45 and 413,143,212.30 is: 619,714,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,872,620.30 : 1,345,308,930.45 = 413,143,212.30 : x
  2. Step 2: Convert to fraction form
    896,872,620.30/1,345,308,930.45 = 413,143,212.30/x
  3. Step 3: Cross multiply
    896,872,620.30x = 1,345,308,930.45 × 413,143,212.30
  4. Step 4: Simplify right side
    896,872,620.30x = 555,805,253,061,990,336
  5. Step 5: Solve for x
    x = 555,805,253,061,990,336/896,872,620.30
  6. Step 6: Final answer
    x = 619,714,818.45

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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.