Home / 528,408,058.80-792,612,088.20-446,778,721.20

Finding the Fourth Proportional to 528,408,058.80, 792,612,088.20 and 446,778,721.20

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Solution

The fourth proportional to 528,408,058.80, 792,612,088.20 and 446,778,721.20 is: 670,168,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,058.80 : 792,612,088.20 = 446,778,721.20 : x
  2. Step 2: Convert to fraction form
    528,408,058.80/792,612,088.20 = 446,778,721.20/x
  3. Step 3: Cross multiply
    528,408,058.80x = 792,612,088.20 × 446,778,721.20
  4. Step 4: Simplify right side
    528,408,058.80x = 354,122,215,173,657,600
  5. Step 5: Solve for x
    x = 354,122,215,173,657,600/528,408,058.80
  6. Step 6: Final answer
    x = 670,168,081.80

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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.