Home / 396,308,305.80-594,462,458.70-105,220,355.40

Finding the Fourth Proportional to 396,308,305.80, 594,462,458.70 and 105,220,355.40

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Solution

The fourth proportional to 396,308,305.80, 594,462,458.70 and 105,220,355.40 is: 157,830,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,308,305.80 : 594,462,458.70 = 105,220,355.40 : x
  2. Step 2: Convert to fraction form
    396,308,305.80/594,462,458.70 = 105,220,355.40/x
  3. Step 3: Cross multiply
    396,308,305.80x = 594,462,458.70 × 105,220,355.40
  4. Step 4: Simplify right side
    396,308,305.80x = 62,549,551,176,371,832
  5. Step 5: Solve for x
    x = 62,549,551,176,371,832/396,308,305.80
  6. Step 6: Final answer
    x = 157,830,533.10

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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.