Home / 1,058,278,880.16-1,587,315,683.52-321,355,165.32

Finding the Fourth Proportional to 1,058,278,880.16, 1,587,315,683.52 and 321,355,165.32

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Solution

The fourth proportional to 1,058,278,880.16, 1,587,315,683.52 and 321,355,165.32 is: 482,001,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,278,880.16 : 1,587,315,683.52 = 321,355,165.32 : x
  2. Step 2: Convert to fraction form
    1,058,278,880.16/1,587,315,683.52 = 321,355,165.32/x
  3. Step 3: Cross multiply
    1,058,278,880.16x = 1,587,315,683.52 × 321,355,165.32
  4. Step 4: Simplify right side
    1,058,278,880.16x = 510,092,093,892,598,400
  5. Step 5: Solve for x
    x = 510,092,093,892,598,400/1,058,278,880.16
  6. Step 6: Final answer
    x = 482,001,581.49

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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.