Home / 896,919,408.30-1,345,379,112.45-413,190,000.30

Finding the Fourth Proportional to 896,919,408.30, 1,345,379,112.45 and 413,190,000.30

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Solution

The fourth proportional to 896,919,408.30, 1,345,379,112.45 and 413,190,000.30 is: 619,785,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,919,408.30 : 1,345,379,112.45 = 413,190,000.30 : x
  2. Step 2: Convert to fraction form
    896,919,408.30/1,345,379,112.45 = 413,190,000.30/x
  3. Step 3: Cross multiply
    896,919,408.30x = 1,345,379,112.45 × 413,190,000.30
  4. Step 4: Simplify right side
    896,919,408.30x = 555,897,195,876,829,248
  5. Step 5: Solve for x
    x = 555,897,195,876,829,248/896,919,408.30
  6. Step 6: Final answer
    x = 619,785,000.45

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1.5x scale

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.