Home / 971,534,369.42-1,457,305,823.48-307,551,650.85

Finding the Fourth Proportional to 971,534,369.42, 1,457,305,823.48 and 307,551,650.85

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Solution

The fourth proportional to 971,534,369.42, 1,457,305,823.48 and 307,551,650.85 is: 461,328,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,534,369.42 : 1,457,305,823.48 = 307,551,650.85 : x
  2. Step 2: Convert to fraction form
    971,534,369.42/1,457,305,823.48 = 307,551,650.85/x
  3. Step 3: Cross multiply
    971,534,369.42x = 1,457,305,823.48 × 307,551,650.85
  4. Step 4: Simplify right side
    971,534,369.42x = 448,196,811,803,054,912
  5. Step 5: Solve for x
    x = 448,196,811,803,054,912/971,534,369.42
  6. Step 6: Final answer
    x = 461,328,827.79

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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.