Home / 939,024,717.29-1,295,803,520.74-521,310,098.39

Finding the Fourth Proportional to 939,024,717.29, 1,295,803,520.74 and 521,310,098.39

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Solution

The fourth proportional to 939,024,717.29, 1,295,803,520.74 and 521,310,098.39 is: 719,379,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,024,717.29 : 1,295,803,520.74 = 521,310,098.39 : x
  2. Step 2: Convert to fraction form
    939,024,717.29/1,295,803,520.74 = 521,310,098.39/x
  3. Step 3: Cross multiply
    939,024,717.29x = 1,295,803,520.74 × 521,310,098.39
  4. Step 4: Simplify right side
    939,024,717.29x = 675,515,460,893,236,608
  5. Step 5: Solve for x
    x = 675,515,460,893,236,608/939,024,717.29
  6. Step 6: Final answer
    x = 719,379,850.66

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1.5x scale

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.