Home / 1,288,887,906,931.70-1,778,667,075,518.90-702,939,169,183.86

Finding the Fourth Proportional to 1,288,887,906,931.70, 1,778,667,075,518.90 and 702,939,169,183.86

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Solution

The fourth proportional to 1,288,887,906,931.70, 1,778,667,075,518.90 and 702,939,169,183.86 is: 970,057,015,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,887,906,931.70 : 1,778,667,075,518.90 = 702,939,169,183.86 : x
  2. Step 2: Convert to fraction form
    1,288,887,906,931.70/1,778,667,075,518.90 = 702,939,169,183.86/x
  3. Step 3: Cross multiply
    1,288,887,906,931.70x = 1,778,667,075,518.90 × 702,939,169,183.86
  4. Step 4: Simplify right side
    1,288,887,906,931.70x = 1,250,294,756,319,941,504,270,336
  5. Step 5: Solve for x
    x = 1,250,294,756,319,941,504,270,336/1,288,887,906,931.70
  6. Step 6: Final answer
    x = 970,057,015,506.00

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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.