Home / 806,340,037.60-1,209,734,005.20-346,498,501.60

Finding the Fourth Proportional to 806,340,037.60, 1,209,734,005.20 and 346,498,501.60

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Solution

The fourth proportional to 806,340,037.60, 1,209,734,005.20 and 346,498,501.60 is: 519,843,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,340,037.60 : 1,209,734,005.20 = 346,498,501.60 : x
  2. Step 2: Convert to fraction form
    806,340,037.60/1,209,734,005.20 = 346,498,501.60/x
  3. Step 3: Cross multiply
    806,340,037.60x = 1,209,734,005.20 × 346,498,501.60
  4. Step 4: Simplify right side
    806,340,037.60x = 419,171,020,136,366,656
  5. Step 5: Solve for x
    x = 419,171,020,136,366,656/806,340,037.60
  6. Step 6: Final answer
    x = 519,843,987.14

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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.