Home / 1,223,424,013.65-1,835,136,020.48-405,662,528.85

Finding the Fourth Proportional to 1,223,424,013.65, 1,835,136,020.48 and 405,662,528.85

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Solution

The fourth proportional to 1,223,424,013.65, 1,835,136,020.48 and 405,662,528.85 is: 608,493,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,424,013.65 : 1,835,136,020.48 = 405,662,528.85 : x
  2. Step 2: Convert to fraction form
    1,223,424,013.65/1,835,136,020.48 = 405,662,528.85/x
  3. Step 3: Cross multiply
    1,223,424,013.65x = 1,835,136,020.48 × 405,662,528.85
  4. Step 4: Simplify right side
    1,223,424,013.65x = 744,445,918,849,613,824
  5. Step 5: Solve for x
    x = 744,445,918,849,613,824/1,223,424,013.65
  6. Step 6: Final answer
    x = 608,493,793.28

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Double scale
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Similar ratio
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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.