Home / 2,421,173,190.30-3,631,759,785.45-785,397,792.30

Finding the Fourth Proportional to 2,421,173,190.30, 3,631,759,785.45 and 785,397,792.30

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Solution

The fourth proportional to 2,421,173,190.30, 3,631,759,785.45 and 785,397,792.30 is: 1,178,096,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,173,190.30 : 3,631,759,785.45 = 785,397,792.30 : x
  2. Step 2: Convert to fraction form
    2,421,173,190.30/3,631,759,785.45 = 785,397,792.30/x
  3. Step 3: Cross multiply
    2,421,173,190.30x = 3,631,759,785.45 × 785,397,792.30
  4. Step 4: Simplify right side
    2,421,173,190.30x = 2,852,376,117,656,351,232
  5. Step 5: Solve for x
    x = 2,852,376,117,656,351,232/2,421,173,190.30
  6. Step 6: Final answer
    x = 1,178,096,688.45

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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.