Home / 920,743,049.40-1,270,610,540.46-503,046,344.76

Finding the Fourth Proportional to 920,743,049.40, 1,270,610,540.46 and 503,046,344.76

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Solution

The fourth proportional to 920,743,049.40, 1,270,610,540.46 and 503,046,344.76 is: 694,195,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,743,049.40 : 1,270,610,540.46 = 503,046,344.76 : x
  2. Step 2: Convert to fraction form
    920,743,049.40/1,270,610,540.46 = 503,046,344.76/x
  3. Step 3: Cross multiply
    920,743,049.40x = 1,270,610,540.46 × 503,046,344.76
  4. Step 4: Simplify right side
    920,743,049.40x = 639,175,987,991,931,136
  5. Step 5: Solve for x
    x = 639,175,987,991,931,136/920,743,049.40
  6. Step 6: Final answer
    x = 694,195,832.82

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Half scale
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Double scale
Find fourth proportional to 920,743,050.40, 1,270,610,541.84 and 503,046,345.76
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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.