Home / 768,096,133.60-1,152,144,200.40-193,667,461.60

Finding the Fourth Proportional to 768,096,133.60, 1,152,144,200.40 and 193,667,461.60

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Solution

The fourth proportional to 768,096,133.60, 1,152,144,200.40 and 193,667,461.60 is: 290,501,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,096,133.60 : 1,152,144,200.40 = 193,667,461.60 : x
  2. Step 2: Convert to fraction form
    768,096,133.60/1,152,144,200.40 = 193,667,461.60/x
  3. Step 3: Cross multiply
    768,096,133.60x = 1,152,144,200.40 × 193,667,461.60
  4. Step 4: Simplify right side
    768,096,133.60x = 223,132,842,688,629,728
  5. Step 5: Solve for x
    x = 223,132,842,688,629,728/768,096,133.60
  6. Step 6: Final answer
    x = 290,501,192.40

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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.