Home / 539,167,978,821.70-744,075,199,492.26-298,579,855,152.70

Finding the Fourth Proportional to 539,167,978,821.70, 744,075,199,492.26 and 298,579,855,152.70

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Solution

The fourth proportional to 539,167,978,821.70, 744,075,199,492.26 and 298,579,855,152.70 is: 412,053,152,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,821.70 : 744,075,199,492.26 = 298,579,855,152.70 : x
  2. Step 2: Convert to fraction form
    539,167,978,821.70/744,075,199,492.26 = 298,579,855,152.70/x
  3. Step 3: Cross multiply
    539,167,978,821.70x = 744,075,199,492.26 × 298,579,855,152.70
  4. Step 4: Simplify right side
    539,167,978,821.70x = 222,165,865,287,115,360,698,368
  5. Step 5: Solve for x
    x = 222,165,865,287,115,360,698,368/539,167,978,821.70
  6. Step 6: Final answer
    x = 412,053,152,289.64

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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.