Home / 1,230,761,007.80-1,846,141,511.70-369,117,999.80

Finding the Fourth Proportional to 1,230,761,007.80, 1,846,141,511.70 and 369,117,999.80

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Solution

The fourth proportional to 1,230,761,007.80, 1,846,141,511.70 and 369,117,999.80 is: 553,676,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,761,007.80 : 1,846,141,511.70 = 369,117,999.80 : x
  2. Step 2: Convert to fraction form
    1,230,761,007.80/1,846,141,511.70 = 369,117,999.80/x
  3. Step 3: Cross multiply
    1,230,761,007.80x = 1,846,141,511.70 × 369,117,999.80
  4. Step 4: Simplify right side
    1,230,761,007.80x = 681,444,062,146,452,352
  5. Step 5: Solve for x
    x = 681,444,062,146,452,352/1,230,761,007.80
  6. Step 6: Final answer
    x = 553,676,999.70

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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.