Home / 870,950,557.08-1,201,909,664.44-474,476,804.64

Finding the Fourth Proportional to 870,950,557.08, 1,201,909,664.44 and 474,476,804.64

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Solution

The fourth proportional to 870,950,557.08, 1,201,909,664.44 and 474,476,804.64 is: 654,776,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,950,557.08 : 1,201,909,664.44 = 474,476,804.64 : x
  2. Step 2: Convert to fraction form
    870,950,557.08/1,201,909,664.44 = 474,476,804.64/x
  3. Step 3: Cross multiply
    870,950,557.08x = 1,201,909,664.44 × 474,476,804.64
  4. Step 4: Simplify right side
    870,950,557.08x = 570,278,257,049,425,856
  5. Step 5: Solve for x
    x = 570,278,257,049,425,856/870,950,557.08
  6. Step 6: Final answer
    x = 654,776,844.01

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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.