Home / 698,959,887.60-1,048,355,850.60-289,973,391.60

Finding the Fourth Proportional to 698,959,887.60, 1,048,355,850.60 and 289,973,391.60

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Solution

The fourth proportional to 698,959,887.60, 1,048,355,850.60 and 289,973,391.60 is: 434,925,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,959,887.60 : 1,048,355,850.60 = 289,973,391.60 : x
  2. Step 2: Convert to fraction form
    698,959,887.60/1,048,355,850.60 = 289,973,391.60/x
  3. Step 3: Cross multiply
    698,959,887.60x = 1,048,355,850.60 × 289,973,391.60
  4. Step 4: Simplify right side
    698,959,887.60x = 303,995,301,602,184,896
  5. Step 5: Solve for x
    x = 303,995,301,602,184,896/698,959,887.60
  6. Step 6: Final answer
    x = 434,925,246.78

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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.