Home / 386,385,617.60-579,578,426.40-348,165,022.40

Finding the Fourth Proportional to 386,385,617.60, 579,578,426.40 and 348,165,022.40

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Solution

The fourth proportional to 386,385,617.60, 579,578,426.40 and 348,165,022.40 is: 522,247,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,385,617.60 : 579,578,426.40 = 348,165,022.40 : x
  2. Step 2: Convert to fraction form
    386,385,617.60/579,578,426.40 = 348,165,022.40/x
  3. Step 3: Cross multiply
    386,385,617.60x = 579,578,426.40 × 348,165,022.40
  4. Step 4: Simplify right side
    386,385,617.60x = 201,788,935,810,112,736
  5. Step 5: Solve for x
    x = 201,788,935,810,112,736/386,385,617.60
  6. Step 6: Final answer
    x = 522,247,533.60

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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.