Home / 715,109,779.68-1,072,085,813.81-223,570,034.27

Finding the Fourth Proportional to 715,109,779.68, 1,072,085,813.81 and 223,570,034.27

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Solution

The fourth proportional to 715,109,779.68, 1,072,085,813.81 and 223,570,034.27 is: 335,174,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,109,779.68 : 1,072,085,813.81 = 223,570,034.27 : x
  2. Step 2: Convert to fraction form
    715,109,779.68/1,072,085,813.81 = 223,570,034.27/x
  3. Step 3: Cross multiply
    715,109,779.68x = 1,072,085,813.81 × 223,570,034.27
  4. Step 4: Simplify right side
    715,109,779.68x = 239,686,262,133,882,528
  5. Step 5: Solve for x
    x = 239,686,262,133,882,528/715,109,779.68
  6. Step 6: Final answer
    x = 335,174,079.48

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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.