Home / 641,703,717,657-885,572,367,735.45-352,682,221,555.63

Finding the Fourth Proportional to 641,703,717,657, 885,572,367,735.45 and 352,682,221,555.63

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Solution

The fourth proportional to 641,703,717,657, 885,572,367,735.45 and 352,682,221,555.63 is: 486,713,137,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,703,717,657 : 885,572,367,735.45 = 352,682,221,555.63 : x
  2. Step 2: Convert to fraction form
    641,703,717,657/885,572,367,735.45 = 352,682,221,555.63/x
  3. Step 3: Cross multiply
    641,703,717,657x = 885,572,367,735.45 × 352,682,221,555.63
  4. Step 4: Simplify right side
    641,703,717,657x = 312,325,630,001,217,800,241,152
  5. Step 5: Solve for x
    x = 312,325,630,001,217,800,241,152/641,703,717,657
  6. Step 6: Final answer
    x = 486,713,137,866.16

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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.