Home / 9,207,615,416.56-12,705,987,567.54-5,193,045,739.06

Finding the Fourth Proportional to 9,207,615,416.56, 12,705,987,567.54 and 5,193,045,739.06

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Solution

The fourth proportional to 9,207,615,416.56, 12,705,987,567.54 and 5,193,045,739.06 is: 7,166,108,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,615,416.56 : 12,705,987,567.54 = 5,193,045,739.06 : x
  2. Step 2: Convert to fraction form
    9,207,615,416.56/12,705,987,567.54 = 5,193,045,739.06/x
  3. Step 3: Cross multiply
    9,207,615,416.56x = 12,705,987,567.54 × 5,193,045,739.06
  4. Step 4: Simplify right side
    9,207,615,416.56x = 65,982,774,598,162,939,904
  5. Step 5: Solve for x
    x = 65,982,774,598,162,939,904/9,207,615,416.56
  6. Step 6: Final answer
    x = 7,166,108,879.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.