Home / 1,116,280,817.12-1,674,673,483.93-369,294,836.65

Finding the Fourth Proportional to 1,116,280,817.12, 1,674,673,483.93 and 369,294,836.65

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Solution

The fourth proportional to 1,116,280,817.12, 1,674,673,483.93 and 369,294,836.65 is: 554,025,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,280,817.12 : 1,674,673,483.93 = 369,294,836.65 : x
  2. Step 2: Convert to fraction form
    1,116,280,817.12/1,674,673,483.93 = 369,294,836.65/x
  3. Step 3: Cross multiply
    1,116,280,817.12x = 1,674,673,483.93 × 369,294,836.65
  4. Step 4: Simplify right side
    1,116,280,817.12x = 618,448,270,684,905,856
  5. Step 5: Solve for x
    x = 618,448,270,684,905,856/1,116,280,817.12
  6. Step 6: Final answer
    x = 554,025,708.58

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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.