Home / 1,036,550,864.70-1,422,826,021.04-916,445,198.70

Finding the Fourth Proportional to 1,036,550,864.70, 1,422,826,021.04 and 916,445,198.70

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Solution

The fourth proportional to 1,036,550,864.70, 1,422,826,021.04 and 916,445,198.70 is: 1,257,962,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,550,864.70 : 1,422,826,021.04 = 916,445,198.70 : x
  2. Step 2: Convert to fraction form
    1,036,550,864.70/1,422,826,021.04 = 916,445,198.70/x
  3. Step 3: Cross multiply
    1,036,550,864.70x = 1,422,826,021.04 × 916,445,198.70
  4. Step 4: Simplify right side
    1,036,550,864.70x = 1,303,942,075,562,951,168
  5. Step 5: Solve for x
    x = 1,303,942,075,562,951,168/1,036,550,864.70
  6. Step 6: Final answer
    x = 1,257,962,459.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.