Home / 1,305,280,668.18-1,957,921,002.27-443,637,660.18

Finding the Fourth Proportional to 1,305,280,668.18, 1,957,921,002.27 and 443,637,660.18

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Solution

The fourth proportional to 1,305,280,668.18, 1,957,921,002.27 and 443,637,660.18 is: 665,456,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,280,668.18 : 1,957,921,002.27 = 443,637,660.18 : x
  2. Step 2: Convert to fraction form
    1,305,280,668.18/1,957,921,002.27 = 443,637,660.18/x
  3. Step 3: Cross multiply
    1,305,280,668.18x = 1,957,921,002.27 × 443,637,660.18
  4. Step 4: Simplify right side
    1,305,280,668.18x = 868,607,492,264,343,296
  5. Step 5: Solve for x
    x = 868,607,492,264,343,296/1,305,280,668.18
  6. Step 6: Final answer
    x = 665,456,490.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.