Home / 1,389,840,544.23-2,084,759,143.28-354,701,535.90

Finding the Fourth Proportional to 1,389,840,544.23, 2,084,759,143.28 and 354,701,535.90

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Solution

The fourth proportional to 1,389,840,544.23, 2,084,759,143.28 and 354,701,535.90 is: 532,051,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,840,544.23 : 2,084,759,143.28 = 354,701,535.90 : x
  2. Step 2: Convert to fraction form
    1,389,840,544.23/2,084,759,143.28 = 354,701,535.90/x
  3. Step 3: Cross multiply
    1,389,840,544.23x = 2,084,759,143.28 × 354,701,535.90
  4. Step 4: Simplify right side
    1,389,840,544.23x = 739,467,270,102,984,064
  5. Step 5: Solve for x
    x = 739,467,270,102,984,064/1,389,840,544.23
  6. Step 6: Final answer
    x = 532,051,876.87

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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.