Home / 1,346,543,994.80-2,019,312,107.40-472,807,751.60

Finding the Fourth Proportional to 1,346,543,994.80, 2,019,312,107.40 and 472,807,751.60

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Solution

The fourth proportional to 1,346,543,994.80, 2,019,312,107.40 and 472,807,751.60 is: 709,034,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,543,994.80 : 2,019,312,107.40 = 472,807,751.60 : x
  2. Step 2: Convert to fraction form
    1,346,543,994.80/2,019,312,107.40 = 472,807,751.60/x
  3. Step 3: Cross multiply
    1,346,543,994.80x = 2,019,312,107.40 × 472,807,751.60
  4. Step 4: Simplify right side
    1,346,543,994.80x = 954,746,417,278,451,840
  5. Step 5: Solve for x
    x = 954,746,417,278,451,840/1,346,543,994.80
  6. Step 6: Final answer
    x = 709,034,699.92

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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.