Home / 286,689,886.80-429,762,393.72-182,767,379.28

Finding the Fourth Proportional to 286,689,886.80, 429,762,393.72 and 182,767,379.28

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Solution

The fourth proportional to 286,689,886.80, 429,762,393.72 and 182,767,379.28 is: 273,977,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,689,886.80 : 429,762,393.72 = 182,767,379.28 : x
  2. Step 2: Convert to fraction form
    286,689,886.80/429,762,393.72 = 182,767,379.28/x
  3. Step 3: Cross multiply
    286,689,886.80x = 429,762,393.72 × 182,767,379.28
  4. Step 4: Simplify right side
    286,689,886.80x = 78,546,546,413,303,936
  5. Step 5: Solve for x
    x = 78,546,546,413,303,936/286,689,886.80
  6. Step 6: Final answer
    x = 273,977,388.22

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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.