Home / 78,591,235,582.81-108,545,367,941.76-52,825,783,343.56

Finding the Fourth Proportional to 78,591,235,582.81, 108,545,367,941.76 and 52,825,783,343.56

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Solution

The fourth proportional to 78,591,235,582.81, 108,545,367,941.76 and 52,825,783,343.56 is: 72,959,714,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,591,235,582.81 : 108,545,367,941.76 = 52,825,783,343.56 : x
  2. Step 2: Convert to fraction form
    78,591,235,582.81/108,545,367,941.76 = 52,825,783,343.56/x
  3. Step 3: Cross multiply
    78,591,235,582.81x = 108,545,367,941.76 × 52,825,783,343.56
  4. Step 4: Simplify right side
    78,591,235,582.81x = 5,733,994,089,838,415,970,304
  5. Step 5: Solve for x
    x = 5,733,994,089,838,415,970,304/78,591,235,582.81
  6. Step 6: Final answer
    x = 72,959,714,239.34

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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.