Home / 519,288,242.02-777,695,832.51-300,477,448.60

Finding the Fourth Proportional to 519,288,242.02, 777,695,832.51 and 300,477,448.60

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Solution

The fourth proportional to 519,288,242.02, 777,695,832.51 and 300,477,448.60 is: 450,000,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,288,242.02 : 777,695,832.51 = 300,477,448.60 : x
  2. Step 2: Convert to fraction form
    519,288,242.02/777,695,832.51 = 300,477,448.60/x
  3. Step 3: Cross multiply
    519,288,242.02x = 777,695,832.51 × 300,477,448.60
  4. Step 4: Simplify right side
    519,288,242.02x = 233,680,059,539,457,760
  5. Step 5: Solve for x
    x = 233,680,059,539,457,760/519,288,242.02
  6. Step 6: Final answer
    x = 450,000,675.21

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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.