Home / 390,662,299,904.45-585,792,244,683.77-175,346,257,202.43

Finding the Fourth Proportional to 390,662,299,904.45, 585,792,244,683.77 and 175,346,257,202.43

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Solution

The fourth proportional to 390,662,299,904.45, 585,792,244,683.77 and 175,346,257,202.43 is: 262,929,076,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,662,299,904.45 : 585,792,244,683.77 = 175,346,257,202.43 : x
  2. Step 2: Convert to fraction form
    390,662,299,904.45/585,792,244,683.77 = 175,346,257,202.43/x
  3. Step 3: Cross multiply
    390,662,299,904.45x = 585,792,244,683.77 × 175,346,257,202.43
  4. Step 4: Simplify right side
    390,662,299,904.45x = 102,716,477,603,509,136,523,264
  5. Step 5: Solve for x
    x = 102,716,477,603,509,136,523,264/390,662,299,904.45
  6. Step 6: Final answer
    x = 262,929,076,157.67

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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.