Home / 1,200,448,500.05-1,802,733,430.78-736,832,325.38

Finding the Fourth Proportional to 1,200,448,500.05, 1,802,733,430.78 and 736,832,325.38

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Solution

The fourth proportional to 1,200,448,500.05, 1,802,733,430.78 and 736,832,325.38 is: 1,106,513,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,448,500.05 : 1,802,733,430.78 = 736,832,325.38 : x
  2. Step 2: Convert to fraction form
    1,200,448,500.05/1,802,733,430.78 = 736,832,325.38/x
  3. Step 3: Cross multiply
    1,200,448,500.05x = 1,802,733,430.78 × 736,832,325.38
  4. Step 4: Simplify right side
    1,200,448,500.05x = 1,328,312,265,833,763,072
  5. Step 5: Solve for x
    x = 1,328,312,265,833,763,072/1,200,448,500.05
  6. Step 6: Final answer
    x = 1,106,513,328.79

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1.5x scale

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.