Home / 953,856,009.80-1,430,784,014.70-340,460,246.60

Finding the Fourth Proportional to 953,856,009.80, 1,430,784,014.70 and 340,460,246.60

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Solution

The fourth proportional to 953,856,009.80, 1,430,784,014.70 and 340,460,246.60 is: 510,690,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,856,009.80 : 1,430,784,014.70 = 340,460,246.60 : x
  2. Step 2: Convert to fraction form
    953,856,009.80/1,430,784,014.70 = 340,460,246.60/x
  3. Step 3: Cross multiply
    953,856,009.80x = 1,430,784,014.70 × 340,460,246.60
  4. Step 4: Simplify right side
    953,856,009.80x = 487,125,078,476,100,096
  5. Step 5: Solve for x
    x = 487,125,078,476,100,096/953,856,009.80
  6. Step 6: Final answer
    x = 510,690,369.90

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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.