Home / 654,864,515.56-903,707,488.74-361,502,785

Finding the Fourth Proportional to 654,864,515.56, 903,707,488.74 and 361,502,785

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Solution

The fourth proportional to 654,864,515.56, 903,707,488.74 and 361,502,785 is: 498,870,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,864,515.56 : 903,707,488.74 = 361,502,785 : x
  2. Step 2: Convert to fraction form
    654,864,515.56/903,707,488.74 = 361,502,785/x
  3. Step 3: Cross multiply
    654,864,515.56x = 903,707,488.74 × 361,502,785
  4. Step 4: Simplify right side
    654,864,515.56x = 326,692,774,004,866,176
  5. Step 5: Solve for x
    x = 326,692,774,004,866,176/654,864,515.56
  6. Step 6: Final answer
    x = 498,870,783.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.