Home / 787,397,851.80-1,181,096,777.70-328,232,827.80

Finding the Fourth Proportional to 787,397,851.80, 1,181,096,777.70 and 328,232,827.80

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Solution

The fourth proportional to 787,397,851.80, 1,181,096,777.70 and 328,232,827.80 is: 492,349,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,397,851.80 : 1,181,096,777.70 = 328,232,827.80 : x
  2. Step 2: Convert to fraction form
    787,397,851.80/1,181,096,777.70 = 328,232,827.80/x
  3. Step 3: Cross multiply
    787,397,851.80x = 1,181,096,777.70 × 328,232,827.80
  4. Step 4: Simplify right side
    787,397,851.80x = 387,674,735,249,939,008
  5. Step 5: Solve for x
    x = 387,674,735,249,939,008/787,397,851.80
  6. Step 6: Final answer
    x = 492,349,241.70

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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.