Home / 455,711,570.20-683,586,017.70-132,595,442.20

Finding the Fourth Proportional to 455,711,570.20, 683,586,017.70 and 132,595,442.20

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Solution

The fourth proportional to 455,711,570.20, 683,586,017.70 and 132,595,442.20 is: 198,898,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,711,570.20 : 683,586,017.70 = 132,595,442.20 : x
  2. Step 2: Convert to fraction form
    455,711,570.20/683,586,017.70 = 132,595,442.20/x
  3. Step 3: Cross multiply
    455,711,570.20x = 683,586,017.70 × 132,595,442.20
  4. Step 4: Simplify right side
    455,711,570.20x = 90,640,390,298,668,528
  5. Step 5: Solve for x
    x = 90,640,390,298,668,528/455,711,570.20
  6. Step 6: Final answer
    x = 198,898,593.38

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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.