Home / 912,384,055.20-1,368,576,082.80-266,151,799.20

Finding the Fourth Proportional to 912,384,055.20, 1,368,576,082.80 and 266,151,799.20

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Solution

The fourth proportional to 912,384,055.20, 1,368,576,082.80 and 266,151,799.20 is: 399,227,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,055.20 : 1,368,576,082.80 = 266,151,799.20 : x
  2. Step 2: Convert to fraction form
    912,384,055.20/1,368,576,082.80 = 266,151,799.20/x
  3. Step 3: Cross multiply
    912,384,055.20x = 1,368,576,082.80 × 266,151,799.20
  4. Step 4: Simplify right side
    912,384,055.20x = 364,248,986,779,308,160
  5. Step 5: Solve for x
    x = 364,248,986,779,308,160/912,384,055.20
  6. Step 6: Final answer
    x = 399,227,698.80

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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.