Home / 398,086,752,005.60-597,130,128,008.40-398,086,752,005.60

Finding the Fourth Proportional to 398,086,752,005.60, 597,130,128,008.40 and 398,086,752,005.60

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Solution

The fourth proportional to 398,086,752,005.60, 597,130,128,008.40 and 398,086,752,005.60 is: 597,130,128,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,086,752,005.60 : 597,130,128,008.40 = 398,086,752,005.60 : x
  2. Step 2: Convert to fraction form
    398,086,752,005.60/597,130,128,008.40 = 398,086,752,005.60/x
  3. Step 3: Cross multiply
    398,086,752,005.60x = 597,130,128,008.40 × 398,086,752,005.60
  4. Step 4: Simplify right side
    398,086,752,005.60x = 237,709,593,183,552,106,659,840
  5. Step 5: Solve for x
    x = 237,709,593,183,552,106,659,840/398,086,752,005.60
  6. Step 6: Final answer
    x = 597,130,128,008.40

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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.