Home / 1,170,731,856.78-1,615,461,021.18-668,973,165.04

Finding the Fourth Proportional to 1,170,731,856.78, 1,615,461,021.18 and 668,973,165.04

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Solution

The fourth proportional to 1,170,731,856.78, 1,615,461,021.18 and 668,973,165.04 is: 923,097,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,731,856.78 : 1,615,461,021.18 = 668,973,165.04 : x
  2. Step 2: Convert to fraction form
    1,170,731,856.78/1,615,461,021.18 = 668,973,165.04/x
  3. Step 3: Cross multiply
    1,170,731,856.78x = 1,615,461,021.18 × 668,973,165.04
  4. Step 4: Simplify right side
    1,170,731,856.78x = 1,080,700,072,337,535,104
  5. Step 5: Solve for x
    x = 1,080,700,072,337,535,104/1,170,731,856.78
  6. Step 6: Final answer
    x = 923,097,860.61

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Double scale
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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.