Home / 627,369,818.93-940,855,075.58-207,112,941.62

Finding the Fourth Proportional to 627,369,818.93, 940,855,075.58 and 207,112,941.62

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Solution

The fourth proportional to 627,369,818.93, 940,855,075.58 and 207,112,941.62 is: 310,603,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,369,818.93 : 940,855,075.58 = 207,112,941.62 : x
  2. Step 2: Convert to fraction form
    627,369,818.93/940,855,075.58 = 207,112,941.62/x
  3. Step 3: Cross multiply
    627,369,818.93x = 940,855,075.58 × 207,112,941.62
  4. Step 4: Simplify right side
    627,369,818.93x = 194,863,262,335,741,408
  5. Step 5: Solve for x
    x = 194,863,262,335,741,408/627,369,818.93
  6. Step 6: Final answer
    x = 310,603,501.25

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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.