Home / 1,712,139,785.16-2,362,898,619.54-969,715,920.84

Finding the Fourth Proportional to 1,712,139,785.16, 2,362,898,619.54 and 969,715,920.84

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Solution

The fourth proportional to 1,712,139,785.16, 2,362,898,619.54 and 969,715,920.84 is: 1,338,290,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,139,785.16 : 2,362,898,619.54 = 969,715,920.84 : x
  2. Step 2: Convert to fraction form
    1,712,139,785.16/2,362,898,619.54 = 969,715,920.84/x
  3. Step 3: Cross multiply
    1,712,139,785.16x = 2,362,898,619.54 × 969,715,920.84
  4. Step 4: Simplify right side
    1,712,139,785.16x = 2,291,340,410,698,796,032
  5. Step 5: Solve for x
    x = 2,291,340,410,698,796,032/1,712,139,785.16
  6. Step 6: Final answer
    x = 1,338,290,500.90

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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.