Home / 472,393,075.70-708,589,613.55-230,528,371.70

Finding the Fourth Proportional to 472,393,075.70, 708,589,613.55 and 230,528,371.70

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Solution

The fourth proportional to 472,393,075.70, 708,589,613.55 and 230,528,371.70 is: 345,792,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,075.70 : 708,589,613.55 = 230,528,371.70 : x
  2. Step 2: Convert to fraction form
    472,393,075.70/708,589,613.55 = 230,528,371.70/x
  3. Step 3: Cross multiply
    472,393,075.70x = 708,589,613.55 × 230,528,371.70
  4. Step 4: Simplify right side
    472,393,075.70x = 163,350,009,815,213,728
  5. Step 5: Solve for x
    x = 163,350,009,815,213,728/472,393,075.70
  6. Step 6: Final answer
    x = 345,792,557.55

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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.