Home / 11,486,319,359.36-15,851,089,384.96-6,405,688,811.84

Finding the Fourth Proportional to 11,486,319,359.36, 15,851,089,384.96 and 6,405,688,811.84

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Solution

The fourth proportional to 11,486,319,359.36, 15,851,089,384.96 and 6,405,688,811.84 is: 8,839,833,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486,319,359.36 : 15,851,089,384.96 = 6,405,688,811.84 : x
  2. Step 2: Convert to fraction form
    11,486,319,359.36/15,851,089,384.96 = 6,405,688,811.84/x
  3. Step 3: Cross multiply
    11,486,319,359.36x = 15,851,089,384.96 × 6,405,688,811.84
  4. Step 4: Simplify right side
    11,486,319,359.36x = 101,537,145,928,714,059,776
  5. Step 5: Solve for x
    x = 101,537,145,928,714,059,776/11,486,319,359.36
  6. Step 6: Final answer
    x = 8,839,833,087.70

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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.