Home / 718,934,013.69-1,078,462,357.70-252,554,678.12

Finding the Fourth Proportional to 718,934,013.69, 1,078,462,357.70 and 252,554,678.12

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Solution

The fourth proportional to 718,934,013.69, 1,078,462,357.70 and 252,554,678.12 is: 378,853,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,934,013.69 : 1,078,462,357.70 = 252,554,678.12 : x
  2. Step 2: Convert to fraction form
    718,934,013.69/1,078,462,357.70 = 252,554,678.12/x
  3. Step 3: Cross multiply
    718,934,013.69x = 1,078,462,357.70 × 252,554,678.12
  4. Step 4: Simplify right side
    718,934,013.69x = 272,370,713,606,804,704
  5. Step 5: Solve for x
    x = 272,370,713,606,804,704/718,934,013.69
  6. Step 6: Final answer
    x = 378,853,564.33

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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.