Home / 1,274,921,907.96-1,759,345,784.52-710,377,621.20

Finding the Fourth Proportional to 1,274,921,907.96, 1,759,345,784.52 and 710,377,621.20

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Solution

The fourth proportional to 1,274,921,907.96, 1,759,345,784.52 and 710,377,621.20 is: 980,295,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,921,907.96 : 1,759,345,784.52 = 710,377,621.20 : x
  2. Step 2: Convert to fraction form
    1,274,921,907.96/1,759,345,784.52 = 710,377,621.20/x
  3. Step 3: Cross multiply
    1,274,921,907.96x = 1,759,345,784.52 × 710,377,621.20
  4. Step 4: Simplify right side
    1,274,921,907.96x = 1,249,799,873,275,565,568
  5. Step 5: Solve for x
    x = 1,249,799,873,275,565,568/1,274,921,907.96
  6. Step 6: Final answer
    x = 980,295,236.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.