Home / 745,407,497.56-1,028,708,370.16-410,879,266.64

Finding the Fourth Proportional to 745,407,497.56, 1,028,708,370.16 and 410,879,266.64

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Solution

The fourth proportional to 745,407,497.56, 1,028,708,370.16 and 410,879,266.64 is: 567,038,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,497.56 : 1,028,708,370.16 = 410,879,266.64 : x
  2. Step 2: Convert to fraction form
    745,407,497.56/1,028,708,370.16 = 410,879,266.64/x
  3. Step 3: Cross multiply
    745,407,497.56x = 1,028,708,370.16 × 410,879,266.64
  4. Step 4: Simplify right side
    745,407,497.56x = 422,674,940,717,770,432
  5. Step 5: Solve for x
    x = 422,674,940,717,770,432/745,407,497.56
  6. Step 6: Final answer
    x = 567,038,756.79

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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.