Home / 13,323,496,955.78-19,985,398,960.58-4,815,525,878.09

Finding the Fourth Proportional to 13,323,496,955.78, 19,985,398,960.58 and 4,815,525,878.09

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Solution

The fourth proportional to 13,323,496,955.78, 19,985,398,960.58 and 4,815,525,878.09 is: 7,223,344,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323,496,955.78 : 19,985,398,960.58 = 4,815,525,878.09 : x
  2. Step 2: Convert to fraction form
    13,323,496,955.78/19,985,398,960.58 = 4,815,525,878.09/x
  3. Step 3: Cross multiply
    13,323,496,955.78x = 19,985,398,960.58 × 4,815,525,878.09
  4. Step 4: Simplify right side
    13,323,496,955.78x = 96,240,205,878,545,317,888
  5. Step 5: Solve for x
    x = 96,240,205,878,545,317,888/13,323,496,955.78
  6. Step 6: Final answer
    x = 7,223,344,306.53

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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.