Home / 505,490,043.60-758,235,065.40-448,094,415.60

Finding the Fourth Proportional to 505,490,043.60, 758,235,065.40 and 448,094,415.60

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Solution

The fourth proportional to 505,490,043.60, 758,235,065.40 and 448,094,415.60 is: 672,141,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,490,043.60 : 758,235,065.40 = 448,094,415.60 : x
  2. Step 2: Convert to fraction form
    505,490,043.60/758,235,065.40 = 448,094,415.60/x
  3. Step 3: Cross multiply
    505,490,043.60x = 758,235,065.40 × 448,094,415.60
  4. Step 4: Simplify right side
    505,490,043.60x = 339,760,898,517,840,768
  5. Step 5: Solve for x
    x = 339,760,898,517,840,768/505,490,043.60
  6. Step 6: Final answer
    x = 672,141,623.40

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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.