Home / 873,089,587.80-1,309,634,381.70-436,457,662.20

Finding the Fourth Proportional to 873,089,587.80, 1,309,634,381.70 and 436,457,662.20

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Solution

The fourth proportional to 873,089,587.80, 1,309,634,381.70 and 436,457,662.20 is: 654,686,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,089,587.80 : 1,309,634,381.70 = 436,457,662.20 : x
  2. Step 2: Convert to fraction form
    873,089,587.80/1,309,634,381.70 = 436,457,662.20/x
  3. Step 3: Cross multiply
    873,089,587.80x = 1,309,634,381.70 × 436,457,662.20
  4. Step 4: Simplify right side
    873,089,587.80x = 571,599,960,573,524,480
  5. Step 5: Solve for x
    x = 571,599,960,573,524,480/873,089,587.80
  6. Step 6: Final answer
    x = 654,686,493.30

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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.