Home / 876,723,895.44-1,314,921,429.36-439,907,294.16

Finding the Fourth Proportional to 876,723,895.44, 1,314,921,429.36 and 439,907,294.16

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Solution

The fourth proportional to 876,723,895.44, 1,314,921,429.36 and 439,907,294.16 is: 659,778,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,723,895.44 : 1,314,921,429.36 = 439,907,294.16 : x
  2. Step 2: Convert to fraction form
    876,723,895.44/1,314,921,429.36 = 439,907,294.16/x
  3. Step 3: Cross multiply
    876,723,895.44x = 1,314,921,429.36 × 439,907,294.16
  4. Step 4: Simplify right side
    876,723,895.44x = 578,443,528,022,757,120
  5. Step 5: Solve for x
    x = 578,443,528,022,757,120/876,723,895.44
  6. Step 6: Final answer
    x = 659,778,444.54

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1.5x scale

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.