Home / 1,197,760,030.40-1,796,640,045.60-379,936,337.60

Finding the Fourth Proportional to 1,197,760,030.40, 1,796,640,045.60 and 379,936,337.60

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Solution

The fourth proportional to 1,197,760,030.40, 1,796,640,045.60 and 379,936,337.60 is: 569,904,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,760,030.40 : 1,796,640,045.60 = 379,936,337.60 : x
  2. Step 2: Convert to fraction form
    1,197,760,030.40/1,796,640,045.60 = 379,936,337.60/x
  3. Step 3: Cross multiply
    1,197,760,030.40x = 1,796,640,045.60 × 379,936,337.60
  4. Step 4: Simplify right side
    1,197,760,030.40x = 682,608,838,910,760,960
  5. Step 5: Solve for x
    x = 682,608,838,910,760,960/1,197,760,030.40
  6. Step 6: Final answer
    x = 569,904,506.40

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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.