Home / 332,424,921.40-498,637,382.10-221,460,040.60

Finding the Fourth Proportional to 332,424,921.40, 498,637,382.10 and 221,460,040.60

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Solution

The fourth proportional to 332,424,921.40, 498,637,382.10 and 221,460,040.60 is: 332,190,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,424,921.40 : 498,637,382.10 = 221,460,040.60 : x
  2. Step 2: Convert to fraction form
    332,424,921.40/498,637,382.10 = 221,460,040.60/x
  3. Step 3: Cross multiply
    332,424,921.40x = 498,637,382.10 × 221,460,040.60
  4. Step 4: Simplify right side
    332,424,921.40x = 110,428,254,884,543,712
  5. Step 5: Solve for x
    x = 110,428,254,884,543,712/332,424,921.40
  6. Step 6: Final answer
    x = 332,190,060.90

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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.