Home / 1,002,423,312.54-1,383,231,977.73-556,405,474.59

Finding the Fourth Proportional to 1,002,423,312.54, 1,383,231,977.73 and 556,405,474.59

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Solution

The fourth proportional to 1,002,423,312.54, 1,383,231,977.73 and 556,405,474.59 is: 767,777,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,423,312.54 : 1,383,231,977.73 = 556,405,474.59 : x
  2. Step 2: Convert to fraction form
    1,002,423,312.54/1,383,231,977.73 = 556,405,474.59/x
  3. Step 3: Cross multiply
    1,002,423,312.54x = 1,383,231,977.73 × 556,405,474.59
  4. Step 4: Simplify right side
    1,002,423,312.54x = 769,637,845,036,925,056
  5. Step 5: Solve for x
    x = 769,637,845,036,925,056/1,002,423,312.54
  6. Step 6: Final answer
    x = 767,777,280.72

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Double scale
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1.5x scale

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.