Home / 325,058,000.40-487,587,000.60-187,308,493.20

Finding the Fourth Proportional to 325,058,000.40, 487,587,000.60 and 187,308,493.20

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Solution

The fourth proportional to 325,058,000.40, 487,587,000.60 and 187,308,493.20 is: 280,962,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,058,000.40 : 487,587,000.60 = 187,308,493.20 : x
  2. Step 2: Convert to fraction form
    325,058,000.40/487,587,000.60 = 187,308,493.20/x
  3. Step 3: Cross multiply
    325,058,000.40x = 487,587,000.60 × 187,308,493.20
  4. Step 4: Simplify right side
    325,058,000.40x = 91,329,186,386,293,488
  5. Step 5: Solve for x
    x = 91,329,186,386,293,488/325,058,000.40
  6. Step 6: Final answer
    x = 280,962,739.80

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1.5x scale

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.