Home / 289,392,627.20-434,088,940.80-197,559,622.40

Finding the Fourth Proportional to 289,392,627.20, 434,088,940.80 and 197,559,622.40

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Solution

The fourth proportional to 289,392,627.20, 434,088,940.80 and 197,559,622.40 is: 296,339,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,392,627.20 : 434,088,940.80 = 197,559,622.40 : x
  2. Step 2: Convert to fraction form
    289,392,627.20/434,088,940.80 = 197,559,622.40/x
  3. Step 3: Cross multiply
    289,392,627.20x = 434,088,940.80 × 197,559,622.40
  4. Step 4: Simplify right side
    289,392,627.20x = 85,758,447,232,463,952
  5. Step 5: Solve for x
    x = 85,758,447,232,463,952/289,392,627.20
  6. Step 6: Final answer
    x = 296,339,433.60

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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.