Home / 776,679,810.40-1,165,019,715.60-202,251,138.40

Finding the Fourth Proportional to 776,679,810.40, 1,165,019,715.60 and 202,251,138.40

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Solution

The fourth proportional to 776,679,810.40, 1,165,019,715.60 and 202,251,138.40 is: 303,376,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,679,810.40 : 1,165,019,715.60 = 202,251,138.40 : x
  2. Step 2: Convert to fraction form
    776,679,810.40/1,165,019,715.60 = 202,251,138.40/x
  3. Step 3: Cross multiply
    776,679,810.40x = 1,165,019,715.60 × 202,251,138.40
  4. Step 4: Simplify right side
    776,679,810.40x = 235,626,563,738,544,224
  5. Step 5: Solve for x
    x = 235,626,563,738,544,224/776,679,810.40
  6. Step 6: Final answer
    x = 303,376,707.60

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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.