Home / 746,496,743.40-1,119,745,115.10-698,720,999.40

Finding the Fourth Proportional to 746,496,743.40, 1,119,745,115.10 and 698,720,999.40

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Solution

The fourth proportional to 746,496,743.40, 1,119,745,115.10 and 698,720,999.40 is: 1,048,081,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,496,743.40 : 1,119,745,115.10 = 698,720,999.40 : x
  2. Step 2: Convert to fraction form
    746,496,743.40/1,119,745,115.10 = 698,720,999.40/x
  3. Step 3: Cross multiply
    746,496,743.40x = 1,119,745,115.10 × 698,720,999.40
  4. Step 4: Simplify right side
    746,496,743.40x = 782,389,425,895,939,968
  5. Step 5: Solve for x
    x = 782,389,425,895,939,968/746,496,743.40
  6. Step 6: Final answer
    x = 1,048,081,499.10

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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.