Home / 801,416,281.38-1,105,927,729.20-444,168,834.54

Finding the Fourth Proportional to 801,416,281.38, 1,105,927,729.20 and 444,168,834.54

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Solution

The fourth proportional to 801,416,281.38, 1,105,927,729.20 and 444,168,834.54 is: 612,938,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,416,281.38 : 1,105,927,729.20 = 444,168,834.54 : x
  2. Step 2: Convert to fraction form
    801,416,281.38/1,105,927,729.20 = 444,168,834.54/x
  3. Step 3: Cross multiply
    801,416,281.38x = 1,105,927,729.20 × 444,168,834.54
  4. Step 4: Simplify right side
    801,416,281.38x = 491,218,630,564,232,768
  5. Step 5: Solve for x
    x = 491,218,630,564,232,768/801,416,281.38
  6. Step 6: Final answer
    x = 612,938,172.06

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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.