Home / 1,279,552,587.60-1,919,541,457.80-503,223,574.80

Finding the Fourth Proportional to 1,279,552,587.60, 1,919,541,457.80 and 503,223,574.80

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Solution

The fourth proportional to 1,279,552,587.60, 1,919,541,457.80 and 503,223,574.80 is: 754,918,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,552,587.60 : 1,919,541,457.80 = 503,223,574.80 : x
  2. Step 2: Convert to fraction form
    1,279,552,587.60/1,919,541,457.80 = 503,223,574.80/x
  3. Step 3: Cross multiply
    1,279,552,587.60x = 1,919,541,457.80 × 503,223,574.80
  4. Step 4: Simplify right side
    1,279,552,587.60x = 965,958,514,370,919,296
  5. Step 5: Solve for x
    x = 965,958,514,370,919,296/1,279,552,587.60
  6. Step 6: Final answer
    x = 754,918,964.43

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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.