Home / 898,836,465.40-1,348,292,022.90-285,403,377.40

Finding the Fourth Proportional to 898,836,465.40, 1,348,292,022.90 and 285,403,377.40

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Solution

The fourth proportional to 898,836,465.40, 1,348,292,022.90 and 285,403,377.40 is: 428,116,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,836,465.40 : 1,348,292,022.90 = 285,403,377.40 : x
  2. Step 2: Convert to fraction form
    898,836,465.40/1,348,292,022.90 = 285,403,377.40/x
  3. Step 3: Cross multiply
    898,836,465.40x = 1,348,292,022.90 × 285,403,377.40
  4. Step 4: Simplify right side
    898,836,465.40x = 384,807,097,057,138,112
  5. Step 5: Solve for x
    x = 384,807,097,057,138,112/898,836,465.40
  6. Step 6: Final answer
    x = 428,116,917.67

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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.