Home / 769,824,656.40-1,154,736,984.60-252,130,263.60

Finding the Fourth Proportional to 769,824,656.40, 1,154,736,984.60 and 252,130,263.60

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Solution

The fourth proportional to 769,824,656.40, 1,154,736,984.60 and 252,130,263.60 is: 378,195,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,656.40 : 1,154,736,984.60 = 252,130,263.60 : x
  2. Step 2: Convert to fraction form
    769,824,656.40/1,154,736,984.60 = 252,130,263.60/x
  3. Step 3: Cross multiply
    769,824,656.40x = 1,154,736,984.60 × 252,130,263.60
  4. Step 4: Simplify right side
    769,824,656.40x = 291,144,140,315,867,136
  5. Step 5: Solve for x
    x = 291,144,140,315,867,136/769,824,656.40
  6. Step 6: Final answer
    x = 378,195,395.40

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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.