Home / 11,887,977,407.89-16,405,419,377.80-6,535,628,831.35

Finding the Fourth Proportional to 11,887,977,407.89, 16,405,419,377.80 and 6,535,628,831.35

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Solution

The fourth proportional to 11,887,977,407.89, 16,405,419,377.80 and 6,535,628,831.35 is: 9,019,173,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887,977,407.89 : 16,405,419,377.80 = 6,535,628,831.35 : x
  2. Step 2: Convert to fraction form
    11,887,977,407.89/16,405,419,377.80 = 6,535,628,831.35/x
  3. Step 3: Cross multiply
    11,887,977,407.89x = 16,405,419,377.80 × 6,535,628,831.35
  4. Step 4: Simplify right side
    11,887,977,407.89x = 107,219,731,875,991,748,608
  5. Step 5: Solve for x
    x = 107,219,731,875,991,748,608/11,887,977,407.89
  6. Step 6: Final answer
    x = 9,019,173,590.02

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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.