Home / 1,293,537,234.90-1,939,597,264.35-637,044,624.66

Finding the Fourth Proportional to 1,293,537,234.90, 1,939,597,264.35 and 637,044,624.66

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Solution

The fourth proportional to 1,293,537,234.90, 1,939,597,264.35 and 637,044,624.66 is: 955,217,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,537,234.90 : 1,939,597,264.35 = 637,044,624.66 : x
  2. Step 2: Convert to fraction form
    1,293,537,234.90/1,939,597,264.35 = 637,044,624.66/x
  3. Step 3: Cross multiply
    1,293,537,234.90x = 1,939,597,264.35 × 637,044,624.66
  4. Step 4: Simplify right side
    1,293,537,234.90x = 1,235,610,011,259,408,384
  5. Step 5: Solve for x
    x = 1,235,610,011,259,408,384/1,293,537,234.90
  6. Step 6: Final answer
    x = 955,217,969.71

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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.