Home / 360,490,848.60-540,736,272.90-239,322,300.60

Finding the Fourth Proportional to 360,490,848.60, 540,736,272.90 and 239,322,300.60

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Solution

The fourth proportional to 360,490,848.60, 540,736,272.90 and 239,322,300.60 is: 358,983,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,490,848.60 : 540,736,272.90 = 239,322,300.60 : x
  2. Step 2: Convert to fraction form
    360,490,848.60/540,736,272.90 = 239,322,300.60/x
  3. Step 3: Cross multiply
    360,490,848.60x = 540,736,272.90 × 239,322,300.60
  4. Step 4: Simplify right side
    360,490,848.60x = 129,410,248,848,297,424
  5. Step 5: Solve for x
    x = 129,410,248,848,297,424/360,490,848.60
  6. Step 6: Final answer
    x = 358,983,450.90

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1.5x scale

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.