Home / 1,058,279,063.22-1,587,315,962.57-321,355,350.81

Finding the Fourth Proportional to 1,058,279,063.22, 1,587,315,962.57 and 321,355,350.81

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Solution

The fourth proportional to 1,058,279,063.22, 1,587,315,962.57 and 321,355,350.81 is: 482,001,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,279,063.22 : 1,587,315,962.57 = 321,355,350.81 : x
  2. Step 2: Convert to fraction form
    1,058,279,063.22/1,587,315,962.57 = 321,355,350.81/x
  3. Step 3: Cross multiply
    1,058,279,063.22x = 1,587,315,962.57 × 321,355,350.81
  4. Step 4: Simplify right side
    1,058,279,063.22x = 510,092,477,996,388,416
  5. Step 5: Solve for x
    x = 510,092,477,996,388,416/1,058,279,063.22
  6. Step 6: Final answer
    x = 482,001,861.06

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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.