Home / 623,247,403.56-860,055,578.70-340,988,459.64

Finding the Fourth Proportional to 623,247,403.56, 860,055,578.70 and 340,988,459.64

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Solution

The fourth proportional to 623,247,403.56, 860,055,578.70 and 340,988,459.64 is: 470,549,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,247,403.56 : 860,055,578.70 = 340,988,459.64 : x
  2. Step 2: Convert to fraction form
    623,247,403.56/860,055,578.70 = 340,988,459.64/x
  3. Step 3: Cross multiply
    623,247,403.56x = 860,055,578.70 × 340,988,459.64
  4. Step 4: Simplify right side
    623,247,403.56x = 293,269,026,985,701,824
  5. Step 5: Solve for x
    x = 293,269,026,985,701,824/623,247,403.56
  6. Step 6: Final answer
    x = 470,549,937.81

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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.