Home / 351,829,046.16-485,514,839.65-193,058,681.36

Finding the Fourth Proportional to 351,829,046.16, 485,514,839.65 and 193,058,681.36

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Solution

The fourth proportional to 351,829,046.16, 485,514,839.65 and 193,058,681.36 is: 266,415,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,829,046.16 : 485,514,839.65 = 193,058,681.36 : x
  2. Step 2: Convert to fraction form
    351,829,046.16/485,514,839.65 = 193,058,681.36/x
  3. Step 3: Cross multiply
    351,829,046.16x = 485,514,839.65 × 193,058,681.36
  4. Step 4: Simplify right side
    351,829,046.16x = 93,732,854,720,630,608
  5. Step 5: Solve for x
    x = 93,732,854,720,630,608/351,829,046.16
  6. Step 6: Final answer
    x = 266,415,907.79

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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.