Home / 354,828,015.80-532,242,023.70-328,285,935.80

Finding the Fourth Proportional to 354,828,015.80, 532,242,023.70 and 328,285,935.80

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Solution

The fourth proportional to 354,828,015.80, 532,242,023.70 and 328,285,935.80 is: 492,428,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,828,015.80 : 532,242,023.70 = 328,285,935.80 : x
  2. Step 2: Convert to fraction form
    354,828,015.80/532,242,023.70 = 328,285,935.80/x
  3. Step 3: Cross multiply
    354,828,015.80x = 532,242,023.70 × 328,285,935.80
  4. Step 4: Simplify right side
    354,828,015.80x = 174,727,570,822,440,288
  5. Step 5: Solve for x
    x = 174,727,570,822,440,288/354,828,015.80
  6. Step 6: Final answer
    x = 492,428,903.70

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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.