Home / 1,053,704,130.63-1,579,943,537.75-398,705,755.34

Finding the Fourth Proportional to 1,053,704,130.63, 1,579,943,537.75 and 398,705,755.34

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Solution

The fourth proportional to 1,053,704,130.63, 1,579,943,537.75 and 398,705,755.34 is: 597,826,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,704,130.63 : 1,579,943,537.75 = 398,705,755.34 : x
  2. Step 2: Convert to fraction form
    1,053,704,130.63/1,579,943,537.75 = 398,705,755.34/x
  3. Step 3: Cross multiply
    1,053,704,130.63x = 1,579,943,537.75 × 398,705,755.34
  4. Step 4: Simplify right side
    1,053,704,130.63x = 629,932,581,603,272,192
  5. Step 5: Solve for x
    x = 629,932,581,603,272,192/1,053,704,130.63
  6. Step 6: Final answer
    x = 597,826,812.38

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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.