Home / 429,684,918.64-644,527,427.90-134,603,033.09

Finding the Fourth Proportional to 429,684,918.64, 644,527,427.90 and 134,603,033.09

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Solution

The fourth proportional to 429,684,918.64, 644,527,427.90 and 134,603,033.09 is: 201,904,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,684,918.64 : 644,527,427.90 = 134,603,033.09 : x
  2. Step 2: Convert to fraction form
    429,684,918.64/644,527,427.90 = 134,603,033.09/x
  3. Step 3: Cross multiply
    429,684,918.64x = 644,527,427.90 × 134,603,033.09
  4. Step 4: Simplify right side
    429,684,918.64x = 86,755,346,701,140,640
  5. Step 5: Solve for x
    x = 86,755,346,701,140,640/429,684,918.64
  6. Step 6: Final answer
    x = 201,904,565.27

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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.