Home / 759,860,579.40-1,139,790,869.10-396,307,696.20

Finding the Fourth Proportional to 759,860,579.40, 1,139,790,869.10 and 396,307,696.20

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Solution

The fourth proportional to 759,860,579.40, 1,139,790,869.10 and 396,307,696.20 is: 594,461,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,860,579.40 : 1,139,790,869.10 = 396,307,696.20 : x
  2. Step 2: Convert to fraction form
    759,860,579.40/1,139,790,869.10 = 396,307,696.20/x
  3. Step 3: Cross multiply
    759,860,579.40x = 1,139,790,869.10 × 396,307,696.20
  4. Step 4: Simplify right side
    759,860,579.40x = 451,707,893,482,816,704
  5. Step 5: Solve for x
    x = 451,707,893,482,816,704/759,860,579.40
  6. Step 6: Final answer
    x = 594,461,544.30

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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.