Home / 1,422,278,184,826.40-1,962,745,347,667.90-771,956,902,525.60

Finding the Fourth Proportional to 1,422,278,184,826.40, 1,962,745,347,667.90 and 771,956,902,525.60

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Solution

The fourth proportional to 1,422,278,184,826.40, 1,962,745,347,667.90 and 771,956,902,525.60 is: 1,065,301,313,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,826.40 : 1,962,745,347,667.90 = 771,956,902,525.60 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,826.40/1,962,745,347,667.90 = 771,956,902,525.60/x
  3. Step 3: Cross multiply
    1,422,278,184,826.40x = 1,962,745,347,667.90 × 771,956,902,525.60
  4. Step 4: Simplify right side
    1,422,278,184,826.40x = 1,515,154,819,032,243,828,162,560
  5. Step 5: Solve for x
    x = 1,515,154,819,032,243,828,162,560/1,422,278,184,826.40
  6. Step 6: Final answer
    x = 1,065,301,313,903.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.