Home / 913,524,563.57-1,260,630,140.54-495,827,880.80

Finding the Fourth Proportional to 913,524,563.57, 1,260,630,140.54 and 495,827,880.80

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Solution

The fourth proportional to 913,524,563.57, 1,260,630,140.54 and 495,827,880.80 is: 684,224,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,524,563.57 : 1,260,630,140.54 = 495,827,880.80 : x
  2. Step 2: Convert to fraction form
    913,524,563.57/1,260,630,140.54 = 495,827,880.80/x
  3. Step 3: Cross multiply
    913,524,563.57x = 1,260,630,140.54 × 495,827,880.80
  4. Step 4: Simplify right side
    913,524,563.57x = 625,055,571,047,772,160
  5. Step 5: Solve for x
    x = 625,055,571,047,772,160/913,524,563.57
  6. Step 6: Final answer
    x = 684,224,153.33

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Double scale
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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.