Home / 280,615,374,023.58-387,256,830,647.10-158,698,339,819.92

Finding the Fourth Proportional to 280,615,374,023.58, 387,256,830,647.10 and 158,698,339,819.92

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Solution

The fourth proportional to 280,615,374,023.58, 387,256,830,647.10 and 158,698,339,819.92 is: 219,008,015,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,615,374,023.58 : 387,256,830,647.10 = 158,698,339,819.92 : x
  2. Step 2: Convert to fraction form
    280,615,374,023.58/387,256,830,647.10 = 158,698,339,819.92/x
  3. Step 3: Cross multiply
    280,615,374,023.58x = 387,256,830,647.10 × 158,698,339,819.92
  4. Step 4: Simplify right side
    280,615,374,023.58x = 61,457,016,107,618,684,370,944
  5. Step 5: Solve for x
    x = 61,457,016,107,618,684,370,944/280,615,374,023.58
  6. Step 6: Final answer
    x = 219,008,015,228.90

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1.5x scale

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.