Home / 550,196,993.76-759,278,120.40-315,242,937.60

Finding the Fourth Proportional to 550,196,993.76, 759,278,120.40 and 315,242,937.60

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Solution

The fourth proportional to 550,196,993.76, 759,278,120.40 and 315,242,937.60 is: 435,038,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,196,993.76 : 759,278,120.40 = 315,242,937.60 : x
  2. Step 2: Convert to fraction form
    550,196,993.76/759,278,120.40 = 315,242,937.60/x
  3. Step 3: Cross multiply
    550,196,993.76x = 759,278,120.40 × 315,242,937.60
  4. Step 4: Simplify right side
    550,196,993.76x = 239,357,065,130,302,496
  5. Step 5: Solve for x
    x = 239,357,065,130,302,496/550,196,993.76
  6. Step 6: Final answer
    x = 435,038,845.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.