Home / 938,414,774.60-1,407,197,009.10-355,955,438.60

Finding the Fourth Proportional to 938,414,774.60, 1,407,197,009.10 and 355,955,438.60

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Solution

The fourth proportional to 938,414,774.60, 1,407,197,009.10 and 355,955,438.60 is: 533,771,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,414,774.60 : 1,407,197,009.10 = 355,955,438.60 : x
  2. Step 2: Convert to fraction form
    938,414,774.60/1,407,197,009.10 = 355,955,438.60/x
  3. Step 3: Cross multiply
    938,414,774.60x = 1,407,197,009.10 × 355,955,438.60
  4. Step 4: Simplify right side
    938,414,774.60x = 500,899,428,570,798,720
  5. Step 5: Solve for x
    x = 500,899,428,570,798,720/938,414,774.60
  6. Step 6: Final answer
    x = 533,771,890.78

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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.