Home / 1,635,781,390.80-2,453,609,100.60-545,264,458.80

Finding the Fourth Proportional to 1,635,781,390.80, 2,453,609,100.60 and 545,264,458.80

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Solution

The fourth proportional to 1,635,781,390.80, 2,453,609,100.60 and 545,264,458.80 is: 817,875,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,781,390.80 : 2,453,609,100.60 = 545,264,458.80 : x
  2. Step 2: Convert to fraction form
    1,635,781,390.80/2,453,609,100.60 = 545,264,458.80/x
  3. Step 3: Cross multiply
    1,635,781,390.80x = 2,453,609,100.60 × 545,264,458.80
  4. Step 4: Simplify right side
    1,635,781,390.80x = 1,337,865,838,345,413,632
  5. Step 5: Solve for x
    x = 1,337,865,838,345,413,632/1,635,781,390.80
  6. Step 6: Final answer
    x = 817,875,692.85

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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.