Home / 766,415,488.69-1,057,653,837.75-413,991,635.11

Finding the Fourth Proportional to 766,415,488.69, 1,057,653,837.75 and 413,991,635.11

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Solution

The fourth proportional to 766,415,488.69, 1,057,653,837.75 and 413,991,635.11 is: 571,308,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,415,488.69 : 1,057,653,837.75 = 413,991,635.11 : x
  2. Step 2: Convert to fraction form
    766,415,488.69/1,057,653,837.75 = 413,991,635.11/x
  3. Step 3: Cross multiply
    766,415,488.69x = 1,057,653,837.75 × 413,991,635.11
  4. Step 4: Simplify right side
    766,415,488.69x = 437,859,841,665,200,896
  5. Step 5: Solve for x
    x = 437,859,841,665,200,896/766,415,488.69
  6. Step 6: Final answer
    x = 571,308,706.74

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.