Home / 1,148,933,166.92-1,720,924,350.68-778,435,334

Finding the Fourth Proportional to 1,148,933,166.92, 1,720,924,350.68 and 778,435,334

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Solution

The fourth proportional to 1,148,933,166.92, 1,720,924,350.68 and 778,435,334 is: 1,165,975,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,933,166.92 : 1,720,924,350.68 = 778,435,334 : x
  2. Step 2: Convert to fraction form
    1,148,933,166.92/1,720,924,350.68 = 778,435,334/x
  3. Step 3: Cross multiply
    1,148,933,166.92x = 1,720,924,350.68 × 778,435,334
  4. Step 4: Simplify right side
    1,148,933,166.92x = 1,339,628,321,710,319,104
  5. Step 5: Solve for x
    x = 1,339,628,321,710,319,104/1,148,933,166.92
  6. Step 6: Final answer
    x = 1,165,975,846.36

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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.