Home / 329,658,980.40-494,559,329.40-99,651,315.60

Finding the Fourth Proportional to 329,658,980.40, 494,559,329.40 and 99,651,315.60

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Solution

The fourth proportional to 329,658,980.40, 494,559,329.40 and 99,651,315.60 is: 149,498,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,658,980.40 : 494,559,329.40 = 99,651,315.60 : x
  2. Step 2: Convert to fraction form
    329,658,980.40/494,559,329.40 = 99,651,315.60/x
  3. Step 3: Cross multiply
    329,658,980.40x = 494,559,329.40 × 99,651,315.60
  4. Step 4: Simplify right side
    329,658,980.40x = 49,283,487,816,963,752
  5. Step 5: Solve for x
    x = 49,283,487,816,963,752/329,658,980.40
  6. Step 6: Final answer
    x = 149,498,393.03

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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.