Home / 1,283,990,888.77-1,771,907,683.47-782,199,646.22

Finding the Fourth Proportional to 1,283,990,888.77, 1,771,907,683.47 and 782,199,646.22

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Solution

The fourth proportional to 1,283,990,888.77, 1,771,907,683.47 and 782,199,646.22 is: 1,079,435,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,990,888.77 : 1,771,907,683.47 = 782,199,646.22 : x
  2. Step 2: Convert to fraction form
    1,283,990,888.77/1,771,907,683.47 = 782,199,646.22/x
  3. Step 3: Cross multiply
    1,283,990,888.77x = 1,771,907,683.47 × 782,199,646.22
  4. Step 4: Simplify right side
    1,283,990,888.77x = 1,385,985,563,146,191,104
  5. Step 5: Solve for x
    x = 1,385,985,563,146,191,104/1,283,990,888.77
  6. Step 6: Final answer
    x = 1,079,435,668.33

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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.