Home / 248,462,648,005.20-372,693,972,007.80-208,790,789,931.60

Finding the Fourth Proportional to 248,462,648,005.20, 372,693,972,007.80 and 208,790,789,931.60

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Solution

The fourth proportional to 248,462,648,005.20, 372,693,972,007.80 and 208,790,789,931.60 is: 313,186,184,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,462,648,005.20 : 372,693,972,007.80 = 208,790,789,931.60 : x
  2. Step 2: Convert to fraction form
    248,462,648,005.20/372,693,972,007.80 = 208,790,789,931.60/x
  3. Step 3: Cross multiply
    248,462,648,005.20x = 372,693,972,007.80 × 208,790,789,931.60
  4. Step 4: Simplify right side
    248,462,648,005.20x = 77,815,068,818,254,180,909,056
  5. Step 5: Solve for x
    x = 77,815,068,818,254,180,909,056/248,462,648,005.20
  6. Step 6: Final answer
    x = 313,186,184,897.40

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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.