Home / 996,617,125.80-1,494,925,688.70-764,164,832.40

Finding the Fourth Proportional to 996,617,125.80, 1,494,925,688.70 and 764,164,832.40

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Solution

The fourth proportional to 996,617,125.80, 1,494,925,688.70 and 764,164,832.40 is: 1,146,247,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,617,125.80 : 1,494,925,688.70 = 764,164,832.40 : x
  2. Step 2: Convert to fraction form
    996,617,125.80/1,494,925,688.70 = 764,164,832.40/x
  3. Step 3: Cross multiply
    996,617,125.80x = 1,494,925,688.70 × 764,164,832.40
  4. Step 4: Simplify right side
    996,617,125.80x = 1,142,369,638,355,890,048
  5. Step 5: Solve for x
    x = 1,142,369,638,355,890,048/996,617,125.80
  6. Step 6: Final answer
    x = 1,146,247,248.60

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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.