Home / 358,705,352,465.90-495,013,428,374-196,125,108,505.60

Finding the Fourth Proportional to 358,705,352,465.90, 495,013,428,374 and 196,125,108,505.60

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Solution

The fourth proportional to 358,705,352,465.90, 495,013,428,374 and 196,125,108,505.60 is: 270,652,672,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,705,352,465.90 : 495,013,428,374 = 196,125,108,505.60 : x
  2. Step 2: Convert to fraction form
    358,705,352,465.90/495,013,428,374 = 196,125,108,505.60/x
  3. Step 3: Cross multiply
    358,705,352,465.90x = 495,013,428,374 × 196,125,108,505.60
  4. Step 4: Simplify right side
    358,705,352,465.90x = 97,084,562,351,579,811,807,232
  5. Step 5: Solve for x
    x = 97,084,562,351,579,811,807,232/358,705,352,465.90
  6. Step 6: Final answer
    x = 270,652,672,685.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.