Home / 1,397,155,792.60-2,095,733,688.90-1,189,415,505.70

Finding the Fourth Proportional to 1,397,155,792.60, 2,095,733,688.90 and 1,189,415,505.70

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Solution

The fourth proportional to 1,397,155,792.60, 2,095,733,688.90 and 1,189,415,505.70 is: 1,784,123,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,155,792.60 : 2,095,733,688.90 = 1,189,415,505.70 : x
  2. Step 2: Convert to fraction form
    1,397,155,792.60/2,095,733,688.90 = 1,189,415,505.70/x
  3. Step 3: Cross multiply
    1,397,155,792.60x = 2,095,733,688.90 × 1,189,415,505.70
  4. Step 4: Simplify right side
    1,397,155,792.60x = 2,492,698,145,395,520,000
  5. Step 5: Solve for x
    x = 2,492,698,145,395,520,000/1,397,155,792.60
  6. Step 6: Final answer
    x = 1,784,123,258.55

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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.