Home / 958,247,128.80-1,437,370,693.20-613,873,360.80

Finding the Fourth Proportional to 958,247,128.80, 1,437,370,693.20 and 613,873,360.80

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Solution

The fourth proportional to 958,247,128.80, 1,437,370,693.20 and 613,873,360.80 is: 920,810,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,247,128.80 : 1,437,370,693.20 = 613,873,360.80 : x
  2. Step 2: Convert to fraction form
    958,247,128.80/1,437,370,693.20 = 613,873,360.80/x
  3. Step 3: Cross multiply
    958,247,128.80x = 1,437,370,693.20 × 613,873,360.80
  4. Step 4: Simplify right side
    958,247,128.80x = 882,363,578,150,109,696
  5. Step 5: Solve for x
    x = 882,363,578,150,109,696/958,247,128.80
  6. Step 6: Final answer
    x = 920,810,041.20

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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.