Home / 913,458,289.14-1,260,573,686.37-495,770,580.18

Finding the Fourth Proportional to 913,458,289.14, 1,260,573,686.37 and 495,770,580.18

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Solution

The fourth proportional to 913,458,289.14, 1,260,573,686.37 and 495,770,580.18 is: 684,164,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,458,289.14 : 1,260,573,686.37 = 495,770,580.18 : x
  2. Step 2: Convert to fraction form
    913,458,289.14/1,260,573,686.37 = 495,770,580.18/x
  3. Step 3: Cross multiply
    913,458,289.14x = 1,260,573,686.37 × 495,770,580.18
  4. Step 4: Simplify right side
    913,458,289.14x = 624,955,347,851,296,256
  5. Step 5: Solve for x
    x = 624,955,347,851,296,256/913,458,289.14
  6. Step 6: Final answer
    x = 684,164,077.64

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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.