Home / 860,910,346-1,291,126,409.88-238,982,594.32

Finding the Fourth Proportional to 860,910,346, 1,291,126,409.88 and 238,982,594.32

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Solution

The fourth proportional to 860,910,346, 1,291,126,409.88 and 238,982,594.32 is: 358,407,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,910,346 : 1,291,126,409.88 = 238,982,594.32 : x
  2. Step 2: Convert to fraction form
    860,910,346/1,291,126,409.88 = 238,982,594.32/x
  3. Step 3: Cross multiply
    860,910,346x = 1,291,126,409.88 × 238,982,594.32
  4. Step 4: Simplify right side
    860,910,346x = 308,556,739,028,190,080
  5. Step 5: Solve for x
    x = 308,556,739,028,190,080/860,910,346
  6. Step 6: Final answer
    x = 358,407,516.49

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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.