Home / 832,154,129.40-1,245,842,406.90-808,266,257.40

Finding the Fourth Proportional to 832,154,129.40, 1,245,842,406.90 and 808,266,257.40

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Solution

The fourth proportional to 832,154,129.40, 1,245,842,406.90 and 808,266,257.40 is: 1,210,079,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,154,129.40 : 1,245,842,406.90 = 808,266,257.40 : x
  2. Step 2: Convert to fraction form
    832,154,129.40/1,245,842,406.90 = 808,266,257.40/x
  3. Step 3: Cross multiply
    832,154,129.40x = 1,245,842,406.90 × 808,266,257.40
  4. Step 4: Simplify right side
    832,154,129.40x = 1,006,972,379,535,271,040
  5. Step 5: Solve for x
    x = 1,006,972,379,535,271,040/832,154,129.40
  6. Step 6: Final answer
    x = 1,210,079,171.58

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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.