Home / 908,121,018.20-1,362,181,527.30-862,771,386.20

Finding the Fourth Proportional to 908,121,018.20, 1,362,181,527.30 and 862,771,386.20

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Solution

The fourth proportional to 908,121,018.20, 1,362,181,527.30 and 862,771,386.20 is: 1,294,157,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,121,018.20 : 1,362,181,527.30 = 862,771,386.20 : x
  2. Step 2: Convert to fraction form
    908,121,018.20/1,362,181,527.30 = 862,771,386.20/x
  3. Step 3: Cross multiply
    908,121,018.20x = 1,362,181,527.30 × 862,771,386.20
  4. Step 4: Simplify right side
    908,121,018.20x = 1,175,251,244,564,654,080
  5. Step 5: Solve for x
    x = 1,175,251,244,564,654,080/908,121,018.20
  6. Step 6: Final answer
    x = 1,294,157,079.30

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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.