Home / 301,712,535,591.25-452,196,139,796.55-258,916,615,549.48

Finding the Fourth Proportional to 301,712,535,591.25, 452,196,139,796.55 and 258,916,615,549.48

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Solution

The fourth proportional to 301,712,535,591.25, 452,196,139,796.55 and 258,916,615,549.48 is: 388,055,119,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,712,535,591.25 : 452,196,139,796.55 = 258,916,615,549.48 : x
  2. Step 2: Convert to fraction form
    301,712,535,591.25/452,196,139,796.55 = 258,916,615,549.48/x
  3. Step 3: Cross multiply
    301,712,535,591.25x = 452,196,139,796.55 × 258,916,615,549.48
  4. Step 4: Simplify right side
    301,712,535,591.25x = 117,081,094,080,662,243,115,008
  5. Step 5: Solve for x
    x = 117,081,094,080,662,243,115,008/301,712,535,591.25
  6. Step 6: Final answer
    x = 388,055,119,589.99

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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.