Home / 401,264,920.80-601,897,381.20-340,042,917.60

Finding the Fourth Proportional to 401,264,920.80, 601,897,381.20 and 340,042,917.60

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Solution

The fourth proportional to 401,264,920.80, 601,897,381.20 and 340,042,917.60 is: 510,064,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,264,920.80 : 601,897,381.20 = 340,042,917.60 : x
  2. Step 2: Convert to fraction form
    401,264,920.80/601,897,381.20 = 340,042,917.60/x
  3. Step 3: Cross multiply
    401,264,920.80x = 601,897,381.20 × 340,042,917.60
  4. Step 4: Simplify right side
    401,264,920.80x = 204,670,941,599,047,424
  5. Step 5: Solve for x
    x = 204,670,941,599,047,424/401,264,920.80
  6. Step 6: Final answer
    x = 510,064,376.40

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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.