Home / 1,293,537,231.90-1,939,597,259.85-637,044,621.66

Finding the Fourth Proportional to 1,293,537,231.90, 1,939,597,259.85 and 637,044,621.66

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Solution

The fourth proportional to 1,293,537,231.90, 1,939,597,259.85 and 637,044,621.66 is: 955,217,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,537,231.90 : 1,939,597,259.85 = 637,044,621.66 : x
  2. Step 2: Convert to fraction form
    1,293,537,231.90/1,939,597,259.85 = 637,044,621.66/x
  3. Step 3: Cross multiply
    1,293,537,231.90x = 1,939,597,259.85 × 637,044,621.66
  4. Step 4: Simplify right side
    1,293,537,231.90x = 1,235,610,002,573,915,904
  5. Step 5: Solve for x
    x = 1,235,610,002,573,915,904/1,293,537,231.90
  6. Step 6: Final answer
    x = 955,217,965.21

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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.