Home / 690,323,528.04-1,035,489,163.14-230,260,434.36

Finding the Fourth Proportional to 690,323,528.04, 1,035,489,163.14 and 230,260,434.36

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Solution

The fourth proportional to 690,323,528.04, 1,035,489,163.14 and 230,260,434.36 is: 345,391,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323,528.04 : 1,035,489,163.14 = 230,260,434.36 : x
  2. Step 2: Convert to fraction form
    690,323,528.04/1,035,489,163.14 = 230,260,434.36/x
  3. Step 3: Cross multiply
    690,323,528.04x = 1,035,489,163.14 × 230,260,434.36
  4. Step 4: Simplify right side
    690,323,528.04x = 238,432,184,479,689,312
  5. Step 5: Solve for x
    x = 238,432,184,479,689,312/690,323,528.04
  6. Step 6: Final answer
    x = 345,391,942.76

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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.