Home / 282,519,993.60-423,779,990.40-266,647,622.40

Finding the Fourth Proportional to 282,519,993.60, 423,779,990.40 and 266,647,622.40

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Solution

The fourth proportional to 282,519,993.60, 423,779,990.40 and 266,647,622.40 is: 399,971,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,519,993.60 : 423,779,990.40 = 266,647,622.40 : x
  2. Step 2: Convert to fraction form
    282,519,993.60/423,779,990.40 = 266,647,622.40/x
  3. Step 3: Cross multiply
    282,519,993.60x = 423,779,990.40 × 266,647,622.40
  4. Step 4: Simplify right side
    282,519,993.60x = 112,999,926,860,854,816
  5. Step 5: Solve for x
    x = 112,999,926,860,854,816/282,519,993.60
  6. Step 6: Final answer
    x = 399,971,433.60

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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.