Home / 472,813,683.26-709,147,809.03-157,685,244.98

Finding the Fourth Proportional to 472,813,683.26, 709,147,809.03 and 157,685,244.98

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Solution

The fourth proportional to 472,813,683.26, 709,147,809.03 and 157,685,244.98 is: 236,503,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,813,683.26 : 709,147,809.03 = 157,685,244.98 : x
  2. Step 2: Convert to fraction form
    472,813,683.26/709,147,809.03 = 157,685,244.98/x
  3. Step 3: Cross multiply
    472,813,683.26x = 709,147,809.03 × 157,685,244.98
  4. Step 4: Simplify right side
    472,813,683.26x = 111,822,145,993,925,792
  5. Step 5: Solve for x
    x = 111,822,145,993,925,792/472,813,683.26
  6. Step 6: Final answer
    x = 236,503,616.44

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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.