Home / 1,397,157,786.60-2,095,736,679.90-1,189,417,499.70

Finding the Fourth Proportional to 1,397,157,786.60, 2,095,736,679.90 and 1,189,417,499.70

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Solution

The fourth proportional to 1,397,157,786.60, 2,095,736,679.90 and 1,189,417,499.70 is: 1,784,126,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,157,786.60 : 2,095,736,679.90 = 1,189,417,499.70 : x
  2. Step 2: Convert to fraction form
    1,397,157,786.60/2,095,736,679.90 = 1,189,417,499.70/x
  3. Step 3: Cross multiply
    1,397,157,786.60x = 2,095,736,679.90 × 1,189,417,499.70
  4. Step 4: Simplify right side
    1,397,157,786.60x = 2,492,705,881,836,237,312
  5. Step 5: Solve for x
    x = 2,492,705,881,836,237,312/1,397,157,786.60
  6. Step 6: Final answer
    x = 1,784,126,249.55

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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.