Home / 669,594,681.80-1,003,830,187.10-296,042,257.28

Finding the Fourth Proportional to 669,594,681.80, 1,003,830,187.10 and 296,042,257.28

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Solution

The fourth proportional to 669,594,681.80, 1,003,830,187.10 and 296,042,257.28 is: 443,814,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,594,681.80 : 1,003,830,187.10 = 296,042,257.28 : x
  2. Step 2: Convert to fraction form
    669,594,681.80/1,003,830,187.10 = 296,042,257.28/x
  3. Step 3: Cross multiply
    669,594,681.80x = 1,003,830,187.10 × 296,042,257.28
  4. Step 4: Simplify right side
    669,594,681.80x = 297,176,154,514,888,704
  5. Step 5: Solve for x
    x = 297,176,154,514,888,704/669,594,681.80
  6. Step 6: Final answer
    x = 443,814,986.28

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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.