Home / 1,426,152,728.68-1,968,052,790.88-823,303,006.18

Finding the Fourth Proportional to 1,426,152,728.68, 1,968,052,790.88 and 823,303,006.18

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Solution

The fourth proportional to 1,426,152,728.68, 1,968,052,790.88 and 823,303,006.18 is: 1,136,136,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,152,728.68 : 1,968,052,790.88 = 823,303,006.18 : x
  2. Step 2: Convert to fraction form
    1,426,152,728.68/1,968,052,790.88 = 823,303,006.18/x
  3. Step 3: Cross multiply
    1,426,152,728.68x = 1,968,052,790.88 × 823,303,006.18
  4. Step 4: Simplify right side
    1,426,152,728.68x = 1,620,303,779,048,326,144
  5. Step 5: Solve for x
    x = 1,620,303,779,048,326,144/1,426,152,728.68
  6. Step 6: Final answer
    x = 1,136,136,226.13

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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.