Home / 328,878,210.23-493,278,914.93-132,133,659.02

Finding the Fourth Proportional to 328,878,210.23, 493,278,914.93 and 132,133,659.02

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Solution

The fourth proportional to 328,878,210.23, 493,278,914.93 and 132,133,659.02 is: 198,185,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878,210.23 : 493,278,914.93 = 132,133,659.02 : x
  2. Step 2: Convert to fraction form
    328,878,210.23/493,278,914.93 = 132,133,659.02/x
  3. Step 3: Cross multiply
    328,878,210.23x = 493,278,914.93 × 132,133,659.02
  4. Step 4: Simplify right side
    328,878,210.23x = 65,178,747,943,989,144
  5. Step 5: Solve for x
    x = 65,178,747,943,989,144/328,878,210.23
  6. Step 6: Final answer
    x = 198,185,060.36

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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.