Home / 777,656,979.06-1,166,291,314.80-305,052,082.80

Finding the Fourth Proportional to 777,656,979.06, 1,166,291,314.80 and 305,052,082.80

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Solution

The fourth proportional to 777,656,979.06, 1,166,291,314.80 and 305,052,082.80 is: 457,501,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,656,979.06 : 1,166,291,314.80 = 305,052,082.80 : x
  2. Step 2: Convert to fraction form
    777,656,979.06/1,166,291,314.80 = 305,052,082.80/x
  3. Step 3: Cross multiply
    777,656,979.06x = 1,166,291,314.80 × 305,052,082.80
  4. Step 4: Simplify right side
    777,656,979.06x = 355,779,594,731,290,496
  5. Step 5: Solve for x
    x = 355,779,594,731,290,496/777,656,979.06
  6. Step 6: Final answer
    x = 457,501,963.35

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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.