Home / 1,997,739,989.76-2,990,639,623.68-1,208,404,869.12

Finding the Fourth Proportional to 1,997,739,989.76, 2,990,639,623.68 and 1,208,404,869.12

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Solution

The fourth proportional to 1,997,739,989.76, 2,990,639,623.68 and 1,208,404,869.12 is: 1,808,995,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,739,989.76 : 2,990,639,623.68 = 1,208,404,869.12 : x
  2. Step 2: Convert to fraction form
    1,997,739,989.76/2,990,639,623.68 = 1,208,404,869.12/x
  3. Step 3: Cross multiply
    1,997,739,989.76x = 2,990,639,623.68 × 1,208,404,869.12
  4. Step 4: Simplify right side
    1,997,739,989.76x = 3,613,903,483,038,115,840
  5. Step 5: Solve for x
    x = 3,613,903,483,038,115,840/1,997,739,989.76
  6. Step 6: Final answer
    x = 1,808,995,916.17

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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.