Home / 591,369,423.40-815,999,142.18-340,425,307.96

Finding the Fourth Proportional to 591,369,423.40, 815,999,142.18 and 340,425,307.96

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Solution

The fourth proportional to 591,369,423.40, 815,999,142.18 and 340,425,307.96 is: 469,734,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,369,423.40 : 815,999,142.18 = 340,425,307.96 : x
  2. Step 2: Convert to fraction form
    591,369,423.40/815,999,142.18 = 340,425,307.96/x
  3. Step 3: Cross multiply
    591,369,423.40x = 815,999,142.18 × 340,425,307.96
  4. Step 4: Simplify right side
    591,369,423.40x = 277,786,759,271,722,304
  5. Step 5: Solve for x
    x = 277,786,759,271,722,304/591,369,423.40
  6. Step 6: Final answer
    x = 469,734,734.80

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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.