Home / 691,142,539.98-1,036,600,307.76-297,563,406.20

Finding the Fourth Proportional to 691,142,539.98, 1,036,600,307.76 and 297,563,406.20

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Solution

The fourth proportional to 691,142,539.98, 1,036,600,307.76 and 297,563,406.20 is: 446,296,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,142,539.98 : 1,036,600,307.76 = 297,563,406.20 : x
  2. Step 2: Convert to fraction form
    691,142,539.98/1,036,600,307.76 = 297,563,406.20/x
  3. Step 3: Cross multiply
    691,142,539.98x = 1,036,600,307.76 × 297,563,406.20
  4. Step 4: Simplify right side
    691,142,539.98x = 308,454,318,444,839,168
  5. Step 5: Solve for x
    x = 308,454,318,444,839,168/691,142,539.98
  6. Step 6: Final answer
    x = 446,296,242.24

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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.