Home / 660,097,211.70-990,145,817.55-585,482,895.30

Finding the Fourth Proportional to 660,097,211.70, 990,145,817.55 and 585,482,895.30

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Solution

The fourth proportional to 660,097,211.70, 990,145,817.55 and 585,482,895.30 is: 878,224,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,097,211.70 : 990,145,817.55 = 585,482,895.30 : x
  2. Step 2: Convert to fraction form
    660,097,211.70/990,145,817.55 = 585,482,895.30/x
  3. Step 3: Cross multiply
    660,097,211.70x = 990,145,817.55 × 585,482,895.30
  4. Step 4: Simplify right side
    660,097,211.70x = 579,713,440,028,359,424
  5. Step 5: Solve for x
    x = 579,713,440,028,359,424/660,097,211.70
  6. Step 6: Final answer
    x = 878,224,342.95

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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.