Home / 839,342,102.40-1,259,013,153.60-264,913,430.40

Finding the Fourth Proportional to 839,342,102.40, 1,259,013,153.60 and 264,913,430.40

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Solution

The fourth proportional to 839,342,102.40, 1,259,013,153.60 and 264,913,430.40 is: 397,370,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,342,102.40 : 1,259,013,153.60 = 264,913,430.40 : x
  2. Step 2: Convert to fraction form
    839,342,102.40/1,259,013,153.60 = 264,913,430.40/x
  3. Step 3: Cross multiply
    839,342,102.40x = 1,259,013,153.60 × 264,913,430.40
  4. Step 4: Simplify right side
    839,342,102.40x = 333,529,493,438,898,112
  5. Step 5: Solve for x
    x = 333,529,493,438,898,112/839,342,102.40
  6. Step 6: Final answer
    x = 397,370,145.60

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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.