Home / 913,458,290.14-1,260,573,687.75-495,770,581.18

Finding the Fourth Proportional to 913,458,290.14, 1,260,573,687.75 and 495,770,581.18

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Solution

The fourth proportional to 913,458,290.14, 1,260,573,687.75 and 495,770,581.18 is: 684,164,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,458,290.14 : 1,260,573,687.75 = 495,770,581.18 : x
  2. Step 2: Convert to fraction form
    913,458,290.14/1,260,573,687.75 = 495,770,581.18/x
  3. Step 3: Cross multiply
    913,458,290.14x = 1,260,573,687.75 × 495,770,581.18
  4. Step 4: Simplify right side
    913,458,290.14x = 624,955,349,796,033,408
  5. Step 5: Solve for x
    x = 624,955,349,796,033,408/913,458,290.14
  6. Step 6: Final answer
    x = 684,164,079.02

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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.