Home / 913,458,391.83-1,260,573,825.02-495,770,682.51

Finding the Fourth Proportional to 913,458,391.83, 1,260,573,825.02 and 495,770,682.51

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Solution

The fourth proportional to 913,458,391.83, 1,260,573,825.02 and 495,770,682.51 is: 684,164,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,458,391.83 : 1,260,573,825.02 = 495,770,682.51 : x
  2. Step 2: Convert to fraction form
    913,458,391.83/1,260,573,825.02 = 495,770,682.51/x
  3. Step 3: Cross multiply
    913,458,391.83x = 1,260,573,825.02 × 495,770,682.51
  4. Step 4: Simplify right side
    913,458,391.83x = 624,955,545,581,927,936
  5. Step 5: Solve for x
    x = 624,955,545,581,927,936/913,458,391.83
  6. Step 6: Final answer
    x = 684,164,217.19

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1.5x scale

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.