Home / 430,840,281.80-646,260,422.70-119,947,296.80

Finding the Fourth Proportional to 430,840,281.80, 646,260,422.70 and 119,947,296.80

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Solution

The fourth proportional to 430,840,281.80, 646,260,422.70 and 119,947,296.80 is: 179,920,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,840,281.80 : 646,260,422.70 = 119,947,296.80 : x
  2. Step 2: Convert to fraction form
    430,840,281.80/646,260,422.70 = 119,947,296.80/x
  3. Step 3: Cross multiply
    430,840,281.80x = 646,260,422.70 × 119,947,296.80
  4. Step 4: Simplify right side
    430,840,281.80x = 77,517,190,731,690,368
  5. Step 5: Solve for x
    x = 77,517,190,731,690,368/430,840,281.80
  6. Step 6: Final answer
    x = 179,920,945.20

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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.