Home / 940,909,658.27-1,411,525,279.53-387,909,788.79

Finding the Fourth Proportional to 940,909,658.27, 1,411,525,279.53 and 387,909,788.79

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Solution

The fourth proportional to 940,909,658.27, 1,411,525,279.53 and 387,909,788.79 is: 581,930,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,909,658.27 : 1,411,525,279.53 = 387,909,788.79 : x
  2. Step 2: Convert to fraction form
    940,909,658.27/1,411,525,279.53 = 387,909,788.79/x
  3. Step 3: Cross multiply
    940,909,658.27x = 1,411,525,279.53 × 387,909,788.79
  4. Step 4: Simplify right side
    940,909,658.27x = 547,544,473,054,228,032
  5. Step 5: Solve for x
    x = 547,544,473,054,228,032/940,909,658.27
  6. Step 6: Final answer
    x = 581,930,973.12

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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.