Home / 971,537,789.57-1,457,310,933.12-307,555,051.28

Finding the Fourth Proportional to 971,537,789.57, 1,457,310,933.12 and 307,555,051.28

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Solution

The fourth proportional to 971,537,789.57, 1,457,310,933.12 and 307,555,051.28 is: 461,333,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,537,789.57 : 1,457,310,933.12 = 307,555,051.28 : x
  2. Step 2: Convert to fraction form
    971,537,789.57/1,457,310,933.12 = 307,555,051.28/x
  3. Step 3: Cross multiply
    971,537,789.57x = 1,457,310,933.12 × 307,555,051.28
  4. Step 4: Simplify right side
    971,537,789.57x = 448,203,338,766,626,176
  5. Step 5: Solve for x
    x = 448,203,338,766,626,176/971,537,789.57
  6. Step 6: Final answer
    x = 461,333,921.93

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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.