Home / 1,187,479,244.80-1,781,913,458.40-497,328,529.60

Finding the Fourth Proportional to 1,187,479,244.80, 1,781,913,458.40 and 497,328,529.60

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Solution

The fourth proportional to 1,187,479,244.80, 1,781,913,458.40 and 497,328,529.60 is: 746,283,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,479,244.80 : 1,781,913,458.40 = 497,328,529.60 : x
  2. Step 2: Convert to fraction form
    1,187,479,244.80/1,781,913,458.40 = 497,328,529.60/x
  3. Step 3: Cross multiply
    1,187,479,244.80x = 1,781,913,458.40 × 497,328,529.60
  4. Step 4: Simplify right side
    1,187,479,244.80x = 886,196,400,140,522,880
  5. Step 5: Solve for x
    x = 886,196,400,140,522,880/1,187,479,244.80
  6. Step 6: Final answer
    x = 746,283,696.34

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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.