Home / 637,779,519.72-880,135,748.10-344,424,087.72

Finding the Fourth Proportional to 637,779,519.72, 880,135,748.10 and 344,424,087.72

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Solution

The fourth proportional to 637,779,519.72, 880,135,748.10 and 344,424,087.72 is: 475,305,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,779,519.72 : 880,135,748.10 = 344,424,087.72 : x
  2. Step 2: Convert to fraction form
    637,779,519.72/880,135,748.10 = 344,424,087.72/x
  3. Step 3: Cross multiply
    637,779,519.72x = 880,135,748.10 × 344,424,087.72
  4. Step 4: Simplify right side
    637,779,519.72x = 303,139,952,109,102,272
  5. Step 5: Solve for x
    x = 303,139,952,109,102,272/637,779,519.72
  6. Step 6: Final answer
    x = 475,305,246.93

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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.