Home / 359,616,648.06-495,997,515.70-309,465,396.49

Finding the Fourth Proportional to 359,616,648.06, 495,997,515.70 and 309,465,396.49

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Solution

The fourth proportional to 359,616,648.06, 495,997,515.70 and 309,465,396.49 is: 426,826,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,616,648.06 : 495,997,515.70 = 309,465,396.49 : x
  2. Step 2: Convert to fraction form
    359,616,648.06/495,997,515.70 = 309,465,396.49/x
  3. Step 3: Cross multiply
    359,616,648.06x = 495,997,515.70 × 309,465,396.49
  4. Step 4: Simplify right side
    359,616,648.06x = 153,494,067,854,155,488
  5. Step 5: Solve for x
    x = 153,494,067,854,155,488/359,616,648.06
  6. Step 6: Final answer
    x = 426,826,924.40

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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.