Home / 431,114,535.40-646,671,803.10-124,416,653.80

Finding the Fourth Proportional to 431,114,535.40, 646,671,803.10 and 124,416,653.80

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Solution

The fourth proportional to 431,114,535.40, 646,671,803.10 and 124,416,653.80 is: 186,624,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,114,535.40 : 646,671,803.10 = 124,416,653.80 : x
  2. Step 2: Convert to fraction form
    431,114,535.40/646,671,803.10 = 124,416,653.80/x
  3. Step 3: Cross multiply
    431,114,535.40x = 646,671,803.10 × 124,416,653.80
  4. Step 4: Simplify right side
    431,114,535.40x = 80,456,741,848,514,464
  5. Step 5: Solve for x
    x = 80,456,741,848,514,464/431,114,535.40
  6. Step 6: Final answer
    x = 186,624,980.70

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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.