Home / 1,399,688,360.60-2,099,532,540.90-479,258,792.60

Finding the Fourth Proportional to 1,399,688,360.60, 2,099,532,540.90 and 479,258,792.60

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Solution

The fourth proportional to 1,399,688,360.60, 2,099,532,540.90 and 479,258,792.60 is: 718,888,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,688,360.60 : 2,099,532,540.90 = 479,258,792.60 : x
  2. Step 2: Convert to fraction form
    1,399,688,360.60/2,099,532,540.90 = 479,258,792.60/x
  3. Step 3: Cross multiply
    1,399,688,360.60x = 2,099,532,540.90 × 479,258,792.60
  4. Step 4: Simplify right side
    1,399,688,360.60x = 1,006,219,430,576,144,256
  5. Step 5: Solve for x
    x = 1,006,219,430,576,144,256/1,399,688,360.60
  6. Step 6: Final answer
    x = 718,888,188.90

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1.5x scale

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.