Home / 402,395,791,604.60-555,307,918,815.58-219,496,879,056.80

Finding the Fourth Proportional to 402,395,791,604.60, 555,307,918,815.58 and 219,496,879,056.80

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Solution

The fourth proportional to 402,395,791,604.60, 555,307,918,815.58 and 219,496,879,056.80 is: 302,906,634,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,395,791,604.60 : 555,307,918,815.58 = 219,496,879,056.80 : x
  2. Step 2: Convert to fraction form
    402,395,791,604.60/555,307,918,815.58 = 219,496,879,056.80/x
  3. Step 3: Cross multiply
    402,395,791,604.60x = 555,307,918,815.58 × 219,496,879,056.80
  4. Step 4: Simplify right side
    402,395,791,604.60x = 121,888,355,095,546,651,738,112
  5. Step 5: Solve for x
    x = 121,888,355,095,546,651,738,112/402,395,791,604.60
  6. Step 6: Final answer
    x = 302,906,634,807.25

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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.