Home / 673,760,061.20-1,010,640,091.80-328,535,987.60

Finding the Fourth Proportional to 673,760,061.20, 1,010,640,091.80 and 328,535,987.60

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Solution

The fourth proportional to 673,760,061.20, 1,010,640,091.80 and 328,535,987.60 is: 492,803,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,760,061.20 : 1,010,640,091.80 = 328,535,987.60 : x
  2. Step 2: Convert to fraction form
    673,760,061.20/1,010,640,091.80 = 328,535,987.60/x
  3. Step 3: Cross multiply
    673,760,061.20x = 1,010,640,091.80 × 328,535,987.60
  4. Step 4: Simplify right side
    673,760,061.20x = 332,031,640,667,667,648
  5. Step 5: Solve for x
    x = 332,031,640,667,667,648/673,760,061.20
  6. Step 6: Final answer
    x = 492,803,981.40

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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.