Home / 1,294,509,781.60-1,942,016,614.80-374,416,136.80

Finding the Fourth Proportional to 1,294,509,781.60, 1,942,016,614.80 and 374,416,136.80

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Solution

The fourth proportional to 1,294,509,781.60, 1,942,016,614.80 and 374,416,136.80 is: 561,697,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,509,781.60 : 1,942,016,614.80 = 374,416,136.80 : x
  2. Step 2: Convert to fraction form
    1,294,509,781.60/1,942,016,614.80 = 374,416,136.80/x
  3. Step 3: Cross multiply
    1,294,509,781.60x = 1,942,016,614.80 × 374,416,136.80
  4. Step 4: Simplify right side
    1,294,509,781.60x = 727,122,358,514,829,696
  5. Step 5: Solve for x
    x = 727,122,358,514,829,696/1,294,509,781.60
  6. Step 6: Final answer
    x = 561,697,075.49

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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.