Home / 658,480,308.40-988,103,100.18-294,974,664.40

Finding the Fourth Proportional to 658,480,308.40, 988,103,100.18 and 294,974,664.40

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Solution

The fourth proportional to 658,480,308.40, 988,103,100.18 and 294,974,664.40 is: 442,633,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,480,308.40 : 988,103,100.18 = 294,974,664.40 : x
  2. Step 2: Convert to fraction form
    658,480,308.40/988,103,100.18 = 294,974,664.40/x
  3. Step 3: Cross multiply
    658,480,308.40x = 988,103,100.18 × 294,974,664.40
  4. Step 4: Simplify right side
    658,480,308.40x = 291,465,380,368,195,072
  5. Step 5: Solve for x
    x = 291,465,380,368,195,072/658,480,308.40
  6. Step 6: Final answer
    x = 442,633,403.99

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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.