Home / 783,631,890.88-1,175,617,897.44-238,359,253.12

Finding the Fourth Proportional to 783,631,890.88, 1,175,617,897.44 and 238,359,253.12

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Solution

The fourth proportional to 783,631,890.88, 1,175,617,897.44 and 238,359,253.12 is: 357,590,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,631,890.88 : 1,175,617,897.44 = 238,359,253.12 : x
  2. Step 2: Convert to fraction form
    783,631,890.88/1,175,617,897.44 = 238,359,253.12/x
  3. Step 3: Cross multiply
    783,631,890.88x = 1,175,617,897.44 × 238,359,253.12
  4. Step 4: Simplify right side
    783,631,890.88x = 280,219,403,988,303,168
  5. Step 5: Solve for x
    x = 280,219,403,988,303,168/783,631,890.88
  6. Step 6: Final answer
    x = 357,590,607.59

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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.