Home / 726,841,570.70-1,090,262,356.05-436,603,925.90

Finding the Fourth Proportional to 726,841,570.70, 1,090,262,356.05 and 436,603,925.90

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Solution

The fourth proportional to 726,841,570.70, 1,090,262,356.05 and 436,603,925.90 is: 654,905,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,841,570.70 : 1,090,262,356.05 = 436,603,925.90 : x
  2. Step 2: Convert to fraction form
    726,841,570.70/1,090,262,356.05 = 436,603,925.90/x
  3. Step 3: Cross multiply
    726,841,570.70x = 1,090,262,356.05 × 436,603,925.90
  4. Step 4: Simplify right side
    726,841,570.70x = 476,012,824,912,413,568
  5. Step 5: Solve for x
    x = 476,012,824,912,413,568/726,841,570.70
  6. Step 6: Final answer
    x = 654,905,888.85

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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.