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Finding the Fourth Proportional to 115,009,460,000.40, 172,514,190,000.60 and 115,009,460,000.40

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Solution

The fourth proportional to 115,009,460,000.40, 172,514,190,000.60 and 115,009,460,000.40 is: 172,514,190,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,009,460,000.40 : 172,514,190,000.60 = 115,009,460,000.40 : x
  2. Step 2: Convert to fraction form
    115,009,460,000.40/172,514,190,000.60 = 115,009,460,000.40/x
  3. Step 3: Cross multiply
    115,009,460,000.40x = 172,514,190,000.60 × 115,009,460,000.40
  4. Step 4: Simplify right side
    115,009,460,000.40x = 19,840,763,834,375,409,238,016
  5. Step 5: Solve for x
    x = 19,840,763,834,375,409,238,016/115,009,460,000.40
  6. Step 6: Final answer
    x = 172,514,190,000.60

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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.