Home / 442,880,202.30-664,320,303.45-422,724,810.30

Finding the Fourth Proportional to 442,880,202.30, 664,320,303.45 and 422,724,810.30

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Solution

The fourth proportional to 442,880,202.30, 664,320,303.45 and 422,724,810.30 is: 634,087,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,202.30 : 664,320,303.45 = 422,724,810.30 : x
  2. Step 2: Convert to fraction form
    442,880,202.30/664,320,303.45 = 422,724,810.30/x
  3. Step 3: Cross multiply
    442,880,202.30x = 664,320,303.45 × 422,724,810.30
  4. Step 4: Simplify right side
    442,880,202.30x = 280,824,674,254,339,712
  5. Step 5: Solve for x
    x = 280,824,674,254,339,712/442,880,202.30
  6. Step 6: Final answer
    x = 634,087,215.45

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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.