Home / 286,757,870,762.10-395,723,848,548.16-156,546,725,345.30

Finding the Fourth Proportional to 286,757,870,762.10, 395,723,848,548.16 and 156,546,725,345.30

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Solution

The fourth proportional to 286,757,870,762.10, 395,723,848,548.16 and 156,546,725,345.30 is: 216,033,381,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,757,870,762.10 : 395,723,848,548.16 = 156,546,725,345.30 : x
  2. Step 2: Convert to fraction form
    286,757,870,762.10/395,723,848,548.16 = 156,546,725,345.30/x
  3. Step 3: Cross multiply
    286,757,870,762.10x = 395,723,848,548.16 × 156,546,725,345.30
  4. Step 4: Simplify right side
    286,757,870,762.10x = 61,949,272,631,253,888,139,264
  5. Step 5: Solve for x
    x = 61,949,272,631,253,888,139,264/286,757,870,762.10
  6. Step 6: Final answer
    x = 216,033,381,983.95

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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.