Home / 328,955,056.80-493,243,628.40-98,889,655.20

Finding the Fourth Proportional to 328,955,056.80, 493,243,628.40 and 98,889,655.20

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Solution

The fourth proportional to 328,955,056.80, 493,243,628.40 and 98,889,655.20 is: 148,277,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955,056.80 : 493,243,628.40 = 98,889,655.20 : x
  2. Step 2: Convert to fraction form
    328,955,056.80/493,243,628.40 = 98,889,655.20/x
  3. Step 3: Cross multiply
    328,955,056.80x = 493,243,628.40 × 98,889,655.20
  4. Step 4: Simplify right side
    328,955,056.80x = 48,776,692,342,072,928
  5. Step 5: Solve for x
    x = 48,776,692,342,072,928/328,955,056.80
  6. Step 6: Final answer
    x = 148,277,679.07

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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.