Home / 350,208,028.80-525,312,043.20-205,089,206.40

Finding the Fourth Proportional to 350,208,028.80, 525,312,043.20 and 205,089,206.40

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Solution

The fourth proportional to 350,208,028.80, 525,312,043.20 and 205,089,206.40 is: 307,633,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,208,028.80 : 525,312,043.20 = 205,089,206.40 : x
  2. Step 2: Convert to fraction form
    350,208,028.80/525,312,043.20 = 205,089,206.40/x
  3. Step 3: Cross multiply
    350,208,028.80x = 525,312,043.20 × 205,089,206.40
  4. Step 4: Simplify right side
    350,208,028.80x = 107,735,830,052,250,512
  5. Step 5: Solve for x
    x = 107,735,830,052,250,512/350,208,028.80
  6. Step 6: Final answer
    x = 307,633,809.60

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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.