Home / 1,494,679,990.90-2,242,019,986.35-511,779,861.40

Finding the Fourth Proportional to 1,494,679,990.90, 2,242,019,986.35 and 511,779,861.40

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Solution

The fourth proportional to 1,494,679,990.90, 2,242,019,986.35 and 511,779,861.40 is: 767,669,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,679,990.90 : 2,242,019,986.35 = 511,779,861.40 : x
  2. Step 2: Convert to fraction form
    1,494,679,990.90/2,242,019,986.35 = 511,779,861.40/x
  3. Step 3: Cross multiply
    1,494,679,990.90x = 2,242,019,986.35 × 511,779,861.40
  4. Step 4: Simplify right side
    1,494,679,990.90x = 1,147,420,677,870,232,832
  5. Step 5: Solve for x
    x = 1,147,420,677,870,232,832/1,494,679,990.90
  6. Step 6: Final answer
    x = 767,669,792.10

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1.5x scale

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.