Home / 899,396,666.98-1,349,229,369.51-286,000,903.78

Finding the Fourth Proportional to 899,396,666.98, 1,349,229,369.51 and 286,000,903.78

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Solution

The fourth proportional to 899,396,666.98, 1,349,229,369.51 and 286,000,903.78 is: 429,044,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,396,666.98 : 1,349,229,369.51 = 286,000,903.78 : x
  2. Step 2: Convert to fraction form
    899,396,666.98/1,349,229,369.51 = 286,000,903.78/x
  3. Step 3: Cross multiply
    899,396,666.98x = 1,349,229,369.51 × 286,000,903.78
  4. Step 4: Simplify right side
    899,396,666.98x = 385,880,819,086,379,520
  5. Step 5: Solve for x
    x = 385,880,819,086,379,520/899,396,666.98
  6. Step 6: Final answer
    x = 429,044,083.94

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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.