Home / 658,793,143.12-988,196,801.64-198,735,300.40

Finding the Fourth Proportional to 658,793,143.12, 988,196,801.64 and 198,735,300.40

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Solution

The fourth proportional to 658,793,143.12, 988,196,801.64 and 198,735,300.40 is: 298,105,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,793,143.12 : 988,196,801.64 = 198,735,300.40 : x
  2. Step 2: Convert to fraction form
    658,793,143.12/988,196,801.64 = 198,735,300.40/x
  3. Step 3: Cross multiply
    658,793,143.12x = 988,196,801.64 × 198,735,300.40
  4. Step 4: Simplify right side
    658,793,143.12x = 196,389,588,223,303,648
  5. Step 5: Solve for x
    x = 196,389,588,223,303,648/658,793,143.12
  6. Step 6: Final answer
    x = 298,105,088.49

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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.