Home / 430,582,147.60-645,873,221.40-354,054,643.60

Finding the Fourth Proportional to 430,582,147.60, 645,873,221.40 and 354,054,643.60

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Solution

The fourth proportional to 430,582,147.60, 645,873,221.40 and 354,054,643.60 is: 531,081,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,582,147.60 : 645,873,221.40 = 354,054,643.60 : x
  2. Step 2: Convert to fraction form
    430,582,147.60/645,873,221.40 = 354,054,643.60/x
  3. Step 3: Cross multiply
    430,582,147.60x = 645,873,221.40 × 354,054,643.60
  4. Step 4: Simplify right side
    430,582,147.60x = 228,674,413,213,560,896
  5. Step 5: Solve for x
    x = 228,674,413,213,560,896/430,582,147.60
  6. Step 6: Final answer
    x = 531,081,965.40

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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.