Home / 505,954,225.10-698,218,705.55-294,311,838.12

Finding the Fourth Proportional to 505,954,225.10, 698,218,705.55 and 294,311,838.12

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Solution

The fourth proportional to 505,954,225.10, 698,218,705.55 and 294,311,838.12 is: 406,151,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,954,225.10 : 698,218,705.55 = 294,311,838.12 : x
  2. Step 2: Convert to fraction form
    505,954,225.10/698,218,705.55 = 294,311,838.12/x
  3. Step 3: Cross multiply
    505,954,225.10x = 698,218,705.55 × 294,311,838.12
  4. Step 4: Simplify right side
    505,954,225.10x = 205,494,030,638,715,968
  5. Step 5: Solve for x
    x = 205,494,030,638,715,968/505,954,225.10
  6. Step 6: Final answer
    x = 406,151,427.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.