Home / 1,553,765,861.40-2,330,648,792.10-404,908,517.40

Finding the Fourth Proportional to 1,553,765,861.40, 2,330,648,792.10 and 404,908,517.40

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Solution

The fourth proportional to 1,553,765,861.40, 2,330,648,792.10 and 404,908,517.40 is: 607,362,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,765,861.40 : 2,330,648,792.10 = 404,908,517.40 : x
  2. Step 2: Convert to fraction form
    1,553,765,861.40/2,330,648,792.10 = 404,908,517.40/x
  3. Step 3: Cross multiply
    1,553,765,861.40x = 2,330,648,792.10 × 404,908,517.40
  4. Step 4: Simplify right side
    1,553,765,861.40x = 943,699,546,989,311,744
  5. Step 5: Solve for x
    x = 943,699,546,989,311,744/1,553,765,861.40
  6. Step 6: Final answer
    x = 607,362,776.10

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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.