Home / 869,571,332.70-1,303,910,194.95-256,075,842.30

Finding the Fourth Proportional to 869,571,332.70, 1,303,910,194.95 and 256,075,842.30

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Solution

The fourth proportional to 869,571,332.70, 1,303,910,194.95 and 256,075,842.30 is: 383,982,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,571,332.70 : 1,303,910,194.95 = 256,075,842.30 : x
  2. Step 2: Convert to fraction form
    869,571,332.70/1,303,910,194.95 = 256,075,842.30/x
  3. Step 3: Cross multiply
    869,571,332.70x = 1,303,910,194.95 × 256,075,842.30
  4. Step 4: Simplify right side
    869,571,332.70x = 333,899,901,455,378,496
  5. Step 5: Solve for x
    x = 333,899,901,455,378,496/869,571,332.70
  6. Step 6: Final answer
    x = 383,982,186.28

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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.