Home / 20,658,936,280.80-30,942,487,918.80-17,903,946,136.80

Finding the Fourth Proportional to 20,658,936,280.80, 30,942,487,918.80 and 17,903,946,136.80

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Solution

The fourth proportional to 20,658,936,280.80, 30,942,487,918.80 and 17,903,946,136.80 is: 26,816,125,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,936,280.80 : 30,942,487,918.80 = 17,903,946,136.80 : x
  2. Step 2: Convert to fraction form
    20,658,936,280.80/30,942,487,918.80 = 17,903,946,136.80/x
  3. Step 3: Cross multiply
    20,658,936,280.80x = 30,942,487,918.80 × 17,903,946,136.80
  4. Step 4: Simplify right side
    20,658,936,280.80x = 553,992,637,036,779,864,064
  5. Step 5: Solve for x
    x = 553,992,637,036,779,864,064/20,658,936,280.80
  6. Step 6: Final answer
    x = 26,816,125,937.31

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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.