Home / 18,977,756,818.25-26,188,737,395.22-10,403,890,290.81

Finding the Fourth Proportional to 18,977,756,818.25, 26,188,737,395.22 and 10,403,890,290.81

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Solution

The fourth proportional to 18,977,756,818.25, 26,188,737,395.22 and 10,403,890,290.81 is: 14,357,057,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977,756,818.25 : 26,188,737,395.22 = 10,403,890,290.81 : x
  2. Step 2: Convert to fraction form
    18,977,756,818.25/26,188,737,395.22 = 10,403,890,290.81/x
  3. Step 3: Cross multiply
    18,977,756,818.25x = 26,188,737,395.22 × 10,403,890,290.81
  4. Step 4: Simplify right side
    18,977,756,818.25x = 272,464,750,714,702,135,296
  5. Step 5: Solve for x
    x = 272,464,750,714,702,135,296/18,977,756,818.25
  6. Step 6: Final answer
    x = 14,357,057,755.78

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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.