Home / 745,407,496.56-1,028,708,368.78-410,879,265.64

Finding the Fourth Proportional to 745,407,496.56, 1,028,708,368.78 and 410,879,265.64

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Solution

The fourth proportional to 745,407,496.56, 1,028,708,368.78 and 410,879,265.64 is: 567,038,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,496.56 : 1,028,708,368.78 = 410,879,265.64 : x
  2. Step 2: Convert to fraction form
    745,407,496.56/1,028,708,368.78 = 410,879,265.64/x
  3. Step 3: Cross multiply
    745,407,496.56x = 1,028,708,368.78 × 410,879,265.64
  4. Step 4: Simplify right side
    745,407,496.56x = 422,674,939,122,048,704
  5. Step 5: Solve for x
    x = 422,674,939,122,048,704/745,407,496.56
  6. Step 6: Final answer
    x = 567,038,755.41

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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.