Home / 907,005,794.02-1,251,588,150.03-505,089,178.90

Finding the Fourth Proportional to 907,005,794.02, 1,251,588,150.03 and 505,089,178.90

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Solution

The fourth proportional to 907,005,794.02, 1,251,588,150.03 and 505,089,178.90 is: 696,978,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,005,794.02 : 1,251,588,150.03 = 505,089,178.90 : x
  2. Step 2: Convert to fraction form
    907,005,794.02/1,251,588,150.03 = 505,089,178.90/x
  3. Step 3: Cross multiply
    907,005,794.02x = 1,251,588,150.03 × 505,089,178.90
  4. Step 4: Simplify right side
    907,005,794.02x = 632,163,631,019,622,656
  5. Step 5: Solve for x
    x = 632,163,631,019,622,656/907,005,794.02
  6. Step 6: Final answer
    x = 696,978,602.77

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1.5x scale

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.