Home / 1,036,550,869.70-1,422,826,027.89-916,445,203.70

Finding the Fourth Proportional to 1,036,550,869.70, 1,422,826,027.89 and 916,445,203.70

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Solution

The fourth proportional to 1,036,550,869.70, 1,422,826,027.89 and 916,445,203.70 is: 1,257,962,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,550,869.70 : 1,422,826,027.89 = 916,445,203.70 : x
  2. Step 2: Convert to fraction form
    1,036,550,869.70/1,422,826,027.89 = 916,445,203.70/x
  3. Step 3: Cross multiply
    1,036,550,869.70x = 1,422,826,027.89 × 916,445,203.70
  4. Step 4: Simplify right side
    1,036,550,869.70x = 1,303,942,088,959,313,152
  5. Step 5: Solve for x
    x = 1,303,942,088,959,313,152/1,036,550,869.70
  6. Step 6: Final answer
    x = 1,257,962,466.75

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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.