Home / 683,318,897.82-942,975,383.67-370,045,942.74

Finding the Fourth Proportional to 683,318,897.82, 942,975,383.67 and 370,045,942.74

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Solution

The fourth proportional to 683,318,897.82, 942,975,383.67 and 370,045,942.74 is: 510,660,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,318,897.82 : 942,975,383.67 = 370,045,942.74 : x
  2. Step 2: Convert to fraction form
    683,318,897.82/942,975,383.67 = 370,045,942.74/x
  3. Step 3: Cross multiply
    683,318,897.82x = 942,975,383.67 × 370,045,942.74
  4. Step 4: Simplify right side
    683,318,897.82x = 348,944,214,830,778,368
  5. Step 5: Solve for x
    x = 348,944,214,830,778,368/683,318,897.82
  6. Step 6: Final answer
    x = 510,660,858.27

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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.