Home / 1,424,460,085.68-2,136,732,119-1,215,883,426.80

Finding the Fourth Proportional to 1,424,460,085.68, 2,136,732,119 and 1,215,883,426.80

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Solution

The fourth proportional to 1,424,460,085.68, 2,136,732,119 and 1,215,883,426.80 is: 1,823,860,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,460,085.68 : 2,136,732,119 = 1,215,883,426.80 : x
  2. Step 2: Convert to fraction form
    1,424,460,085.68/2,136,732,119 = 1,215,883,426.80/x
  3. Step 3: Cross multiply
    1,424,460,085.68x = 2,136,732,119 × 1,215,883,426.80
  4. Step 4: Simplify right side
    1,424,460,085.68x = 2,598,017,171,003,345,408
  5. Step 5: Solve for x
    x = 2,598,017,171,003,345,408/1,424,460,085.68
  6. Step 6: Final answer
    x = 1,823,860,982.22

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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.