Home / 938,414,773.60-1,407,197,007.60-355,955,437.60

Finding the Fourth Proportional to 938,414,773.60, 1,407,197,007.60 and 355,955,437.60

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Solution

The fourth proportional to 938,414,773.60, 1,407,197,007.60 and 355,955,437.60 is: 533,771,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,414,773.60 : 1,407,197,007.60 = 355,955,437.60 : x
  2. Step 2: Convert to fraction form
    938,414,773.60/1,407,197,007.60 = 355,955,437.60/x
  3. Step 3: Cross multiply
    938,414,773.60x = 1,407,197,007.60 × 355,955,437.60
  4. Step 4: Simplify right side
    938,414,773.60x = 500,899,426,629,668,544
  5. Step 5: Solve for x
    x = 500,899,426,629,668,544/938,414,773.60
  6. Step 6: Final answer
    x = 533,771,889.28

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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.