Home / 1,242,071,333.91-1,862,909,558.51-412,956,014.31

Finding the Fourth Proportional to 1,242,071,333.91, 1,862,909,558.51 and 412,956,014.31

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Solution

The fourth proportional to 1,242,071,333.91, 1,862,909,558.51 and 412,956,014.31 is: 619,368,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,071,333.91 : 1,862,909,558.51 = 412,956,014.31 : x
  2. Step 2: Convert to fraction form
    1,242,071,333.91/1,862,909,558.51 = 412,956,014.31/x
  3. Step 3: Cross multiply
    1,242,071,333.91x = 1,862,909,558.51 × 412,956,014.31
  4. Step 4: Simplify right side
    1,242,071,333.91x = 769,299,706,300,226,560
  5. Step 5: Solve for x
    x = 769,299,706,300,226,560/1,242,071,333.91
  6. Step 6: Final answer
    x = 619,368,377.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.