Home / 1,663,705,195.92-2,295,984,897.36-921,149,236.80

Finding the Fourth Proportional to 1,663,705,195.92, 2,295,984,897.36 and 921,149,236.80

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Solution

The fourth proportional to 1,663,705,195.92, 2,295,984,897.36 and 921,149,236.80 is: 1,271,225,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,705,195.92 : 2,295,984,897.36 = 921,149,236.80 : x
  2. Step 2: Convert to fraction form
    1,663,705,195.92/2,295,984,897.36 = 921,149,236.80/x
  3. Step 3: Cross multiply
    1,663,705,195.92x = 2,295,984,897.36 × 921,149,236.80
  4. Step 4: Simplify right side
    1,663,705,195.92x = 2,114,944,735,907,490,304
  5. Step 5: Solve for x
    x = 2,114,944,735,907,490,304/1,663,705,195.92
  6. Step 6: Final answer
    x = 1,271,225,660.11

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Double scale
Find fourth proportional to 1,663,705,196.92, 2,295,984,898.74 and 921,149,237.80
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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.