Home / 689,040,309.60-1,034,124,483.60-683,665,538.40

Finding the Fourth Proportional to 689,040,309.60, 1,034,124,483.60 and 683,665,538.40

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Solution

The fourth proportional to 689,040,309.60, 1,034,124,483.60 and 683,665,538.40 is: 1,026,057,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,040,309.60 : 1,034,124,483.60 = 683,665,538.40 : x
  2. Step 2: Convert to fraction form
    689,040,309.60/1,034,124,483.60 = 683,665,538.40/x
  3. Step 3: Cross multiply
    689,040,309.60x = 1,034,124,483.60 × 683,665,538.40
  4. Step 4: Simplify right side
    689,040,309.60x = 706,995,271,853,015,936
  5. Step 5: Solve for x
    x = 706,995,271,853,015,936/689,040,309.60
  6. Step 6: Final answer
    x = 1,026,057,927.24

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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.