Home / 898,836,464.40-1,348,292,021.40-285,403,376.40

Finding the Fourth Proportional to 898,836,464.40, 1,348,292,021.40 and 285,403,376.40

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Solution

The fourth proportional to 898,836,464.40, 1,348,292,021.40 and 285,403,376.40 is: 428,116,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,836,464.40 : 1,348,292,021.40 = 285,403,376.40 : x
  2. Step 2: Convert to fraction form
    898,836,464.40/1,348,292,021.40 = 285,403,376.40/x
  3. Step 3: Cross multiply
    898,836,464.40x = 1,348,292,021.40 × 285,403,376.40
  4. Step 4: Simplify right side
    898,836,464.40x = 384,807,095,280,741,056
  5. Step 5: Solve for x
    x = 384,807,095,280,741,056/898,836,464.40
  6. Step 6: Final answer
    x = 428,116,916.17

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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.