Home / 1,148,933,158.92-1,720,924,338.69-778,435,326

Finding the Fourth Proportional to 1,148,933,158.92, 1,720,924,338.69 and 778,435,326

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Solution

The fourth proportional to 1,148,933,158.92, 1,720,924,338.69 and 778,435,326 is: 1,165,975,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,933,158.92 : 1,720,924,338.69 = 778,435,326 : x
  2. Step 2: Convert to fraction form
    1,148,933,158.92/1,720,924,338.69 = 778,435,326/x
  3. Step 3: Cross multiply
    1,148,933,158.92x = 1,720,924,338.69 × 778,435,326
  4. Step 4: Simplify right side
    1,148,933,158.92x = 1,339,628,298,609,484,544
  5. Step 5: Solve for x
    x = 1,339,628,298,609,484,544/1,148,933,158.92
  6. Step 6: Final answer
    x = 1,165,975,834.37

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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.