Home / 852,984,804.40-1,279,477,206.60-557,078,455.60

Finding the Fourth Proportional to 852,984,804.40, 1,279,477,206.60 and 557,078,455.60

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Solution

The fourth proportional to 852,984,804.40, 1,279,477,206.60 and 557,078,455.60 is: 835,617,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,984,804.40 : 1,279,477,206.60 = 557,078,455.60 : x
  2. Step 2: Convert to fraction form
    852,984,804.40/1,279,477,206.60 = 557,078,455.60/x
  3. Step 3: Cross multiply
    852,984,804.40x = 1,279,477,206.60 × 557,078,455.60
  4. Step 4: Simplify right side
    852,984,804.40x = 712,769,186,228,130,048
  5. Step 5: Solve for x
    x = 712,769,186,228,130,048/852,984,804.40
  6. Step 6: Final answer
    x = 835,617,683.40

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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.