Home / 298,938,205.26-412,534,980.11-166,779,222.28

Finding the Fourth Proportional to 298,938,205.26, 412,534,980.11 and 166,779,222.28

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Solution

The fourth proportional to 298,938,205.26, 412,534,980.11 and 166,779,222.28 is: 230,155,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,938,205.26 : 412,534,980.11 = 166,779,222.28 : x
  2. Step 2: Convert to fraction form
    298,938,205.26/412,534,980.11 = 166,779,222.28/x
  3. Step 3: Cross multiply
    298,938,205.26x = 412,534,980.11 × 166,779,222.28
  4. Step 4: Simplify right side
    298,938,205.26x = 68,802,263,145,426,680
  5. Step 5: Solve for x
    x = 68,802,263,145,426,680/298,938,205.26
  6. Step 6: Final answer
    x = 230,155,470.04

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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.