Home / 880,268,544.10-1,320,402,816.15-472,121,856.10

Finding the Fourth Proportional to 880,268,544.10, 1,320,402,816.15 and 472,121,856.10

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Solution

The fourth proportional to 880,268,544.10, 1,320,402,816.15 and 472,121,856.10 is: 708,182,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,268,544.10 : 1,320,402,816.15 = 472,121,856.10 : x
  2. Step 2: Convert to fraction form
    880,268,544.10/1,320,402,816.15 = 472,121,856.10/x
  3. Step 3: Cross multiply
    880,268,544.10x = 1,320,402,816.15 × 472,121,856.10
  4. Step 4: Simplify right side
    880,268,544.10x = 623,391,028,360,405,120
  5. Step 5: Solve for x
    x = 623,391,028,360,405,120/880,268,544.10
  6. Step 6: Final answer
    x = 708,182,784.15

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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.