Home / 673,759,727.20-1,010,639,590.80-328,535,653.60

Finding the Fourth Proportional to 673,759,727.20, 1,010,639,590.80 and 328,535,653.60

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Solution

The fourth proportional to 673,759,727.20, 1,010,639,590.80 and 328,535,653.60 is: 492,803,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,759,727.20 : 1,010,639,590.80 = 328,535,653.60 : x
  2. Step 2: Convert to fraction form
    673,759,727.20/1,010,639,590.80 = 328,535,653.60/x
  3. Step 3: Cross multiply
    673,759,727.20x = 1,010,639,590.80 × 328,535,653.60
  4. Step 4: Simplify right side
    673,759,727.20x = 332,031,138,517,514,560
  5. Step 5: Solve for x
    x = 332,031,138,517,514,560/673,759,727.20
  6. Step 6: Final answer
    x = 492,803,480.40

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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.