Home / 815,136,846.10-1,124,601,902.85-533,044,423.06

Finding the Fourth Proportional to 815,136,846.10, 1,124,601,902.85 and 533,044,423.06

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Solution

The fourth proportional to 815,136,846.10, 1,124,601,902.85 and 533,044,423.06 is: 735,413,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,136,846.10 : 1,124,601,902.85 = 533,044,423.06 : x
  2. Step 2: Convert to fraction form
    815,136,846.10/1,124,601,902.85 = 533,044,423.06/x
  3. Step 3: Cross multiply
    815,136,846.10x = 1,124,601,902.85 × 533,044,423.06
  4. Step 4: Simplify right side
    815,136,846.10x = 599,462,772,476,856,320
  5. Step 5: Solve for x
    x = 599,462,772,476,856,320/815,136,846.10
  6. Step 6: Final answer
    x = 735,413,661.33

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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.