Home / 816,872,060.09-1,222,771,752.60-442,450,036.68

Finding the Fourth Proportional to 816,872,060.09, 1,222,771,752.60 and 442,450,036.68

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Solution

The fourth proportional to 816,872,060.09, 1,222,771,752.60 and 442,450,036.68 is: 662,301,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,872,060.09 : 1,222,771,752.60 = 442,450,036.68 : x
  2. Step 2: Convert to fraction form
    816,872,060.09/1,222,771,752.60 = 442,450,036.68/x
  3. Step 3: Cross multiply
    816,872,060.09x = 1,222,771,752.60 × 442,450,036.68
  4. Step 4: Simplify right side
    816,872,060.09x = 541,015,406,782,915,328
  5. Step 5: Solve for x
    x = 541,015,406,782,915,328/816,872,060.09
  6. Step 6: Final answer
    x = 662,301,274.84

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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.