Home / 1,090,849,047.72-1,636,503,376.50-353,861,406.42

Finding the Fourth Proportional to 1,090,849,047.72, 1,636,503,376.50 and 353,861,406.42

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Solution

The fourth proportional to 1,090,849,047.72, 1,636,503,376.50 and 353,861,406.42 is: 530,866,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,849,047.72 : 1,636,503,376.50 = 353,861,406.42 : x
  2. Step 2: Convert to fraction form
    1,090,849,047.72/1,636,503,376.50 = 353,861,406.42/x
  3. Step 3: Cross multiply
    1,090,849,047.72x = 1,636,503,376.50 × 353,861,406.42
  4. Step 4: Simplify right side
    1,090,849,047.72x = 579,095,386,419,368,832
  5. Step 5: Solve for x
    x = 579,095,386,419,368,832/1,090,849,047.72
  6. Step 6: Final answer
    x = 530,866,656.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.