Home / 556,192,533,899.72-833,171,747,074.96-253,588,882,580.12

Finding the Fourth Proportional to 556,192,533,899.72, 833,171,747,074.96 and 253,588,882,580.12

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Solution

The fourth proportional to 556,192,533,899.72, 833,171,747,074.96 and 253,588,882,580.12 is: 379,874,017,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,192,533,899.72 : 833,171,747,074.96 = 253,588,882,580.12 : x
  2. Step 2: Convert to fraction form
    556,192,533,899.72/833,171,747,074.96 = 253,588,882,580.12/x
  3. Step 3: Cross multiply
    556,192,533,899.72x = 833,171,747,074.96 × 253,588,882,580.12
  4. Step 4: Simplify right side
    556,192,533,899.72x = 211,283,092,338,065,453,088,768
  5. Step 5: Solve for x
    x = 211,283,092,338,065,453,088,768/556,192,533,899.72
  6. Step 6: Final answer
    x = 379,874,017,467.77

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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.