Home / 1,211,270,653.76-1,816,920,398.64-337,818,879.32

Finding the Fourth Proportional to 1,211,270,653.76, 1,816,920,398.64 and 337,818,879.32

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Solution

The fourth proportional to 1,211,270,653.76, 1,816,920,398.64 and 337,818,879.32 is: 506,732,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,270,653.76 : 1,816,920,398.64 = 337,818,879.32 : x
  2. Step 2: Convert to fraction form
    1,211,270,653.76/1,816,920,398.64 = 337,818,879.32/x
  3. Step 3: Cross multiply
    1,211,270,653.76x = 1,816,920,398.64 × 337,818,879.32
  4. Step 4: Simplify right side
    1,211,270,653.76x = 613,790,012,882,212,480
  5. Step 5: Solve for x
    x = 613,790,012,882,212,480/1,211,270,653.76
  6. Step 6: Final answer
    x = 506,732,340.11

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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.