Home / 898,128,136.60-1,346,184,435.30-510,136,840.60

Finding the Fourth Proportional to 898,128,136.60, 1,346,184,435.30 and 510,136,840.60

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Solution

The fourth proportional to 898,128,136.60, 1,346,184,435.30 and 510,136,840.60 is: 764,632,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,128,136.60 : 1,346,184,435.30 = 510,136,840.60 : x
  2. Step 2: Convert to fraction form
    898,128,136.60/1,346,184,435.30 = 510,136,840.60/x
  3. Step 3: Cross multiply
    898,128,136.60x = 1,346,184,435.30 × 510,136,840.60
  4. Step 4: Simplify right side
    898,128,136.60x = 686,738,274,688,837,120
  5. Step 5: Solve for x
    x = 686,738,274,688,837,120/898,128,136.60
  6. Step 6: Final answer
    x = 764,632,847.70

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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.