Home / 1,555,124,900.30-2,146,072,544.38-850,277,359.21

Finding the Fourth Proportional to 1,555,124,900.30, 2,146,072,544.38 and 850,277,359.21

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Solution

The fourth proportional to 1,555,124,900.30, 2,146,072,544.38 and 850,277,359.21 is: 1,173,382,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,124,900.30 : 2,146,072,544.38 = 850,277,359.21 : x
  2. Step 2: Convert to fraction form
    1,555,124,900.30/2,146,072,544.38 = 850,277,359.21/x
  3. Step 3: Cross multiply
    1,555,124,900.30x = 2,146,072,544.38 × 850,277,359.21
  4. Step 4: Simplify right side
    1,555,124,900.30x = 1,824,756,895,709,068,800
  5. Step 5: Solve for x
    x = 1,824,756,895,709,068,800/1,555,124,900.30
  6. Step 6: Final answer
    x = 1,173,382,855.20

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Double scale
Find fourth proportional to 1,555,124,901.30, 2,146,072,545.76 and 850,277,360.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.