Home / 913,456,328.55-1,260,570,949.74-495,768,613.83

Finding the Fourth Proportional to 913,456,328.55, 1,260,570,949.74 and 495,768,613.83

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Solution

The fourth proportional to 913,456,328.55, 1,260,570,949.74 and 495,768,613.83 is: 684,161,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,456,328.55 : 1,260,570,949.74 = 495,768,613.83 : x
  2. Step 2: Convert to fraction form
    913,456,328.55/1,260,570,949.74 = 495,768,613.83/x
  3. Step 3: Cross multiply
    913,456,328.55x = 1,260,570,949.74 × 495,768,613.83
  4. Step 4: Simplify right side
    913,456,328.55x = 624,951,512,386,966,400
  5. Step 5: Solve for x
    x = 624,951,512,386,966,400/913,456,328.55
  6. Step 6: Final answer
    x = 684,161,347.24

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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.