Home / 773,669,428.60-1,160,504,142.90-386,248,939.60

Finding the Fourth Proportional to 773,669,428.60, 1,160,504,142.90 and 386,248,939.60

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Solution

The fourth proportional to 773,669,428.60, 1,160,504,142.90 and 386,248,939.60 is: 579,373,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,669,428.60 : 1,160,504,142.90 = 386,248,939.60 : x
  2. Step 2: Convert to fraction form
    773,669,428.60/1,160,504,142.90 = 386,248,939.60/x
  3. Step 3: Cross multiply
    773,669,428.60x = 1,160,504,142.90 × 386,248,939.60
  4. Step 4: Simplify right side
    773,669,428.60x = 448,243,494,596,531,904
  5. Step 5: Solve for x
    x = 448,243,494,596,531,904/773,669,428.60
  6. Step 6: Final answer
    x = 579,373,409.40

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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.