Home / 340,608,929.60-510,913,394.40-197,281,697.60

Finding the Fourth Proportional to 340,608,929.60, 510,913,394.40 and 197,281,697.60

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Solution

The fourth proportional to 340,608,929.60, 510,913,394.40 and 197,281,697.60 is: 295,922,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,608,929.60 : 510,913,394.40 = 197,281,697.60 : x
  2. Step 2: Convert to fraction form
    340,608,929.60/510,913,394.40 = 197,281,697.60/x
  3. Step 3: Cross multiply
    340,608,929.60x = 510,913,394.40 × 197,281,697.60
  4. Step 4: Simplify right side
    340,608,929.60x = 100,793,861,773,810,320
  5. Step 5: Solve for x
    x = 100,793,861,773,810,320/340,608,929.60
  6. Step 6: Final answer
    x = 295,922,546.40

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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.