Home / 685,092,225.04-945,428,182.81-371,826,439.00

Finding the Fourth Proportional to 685,092,225.04, 945,428,182.81 and 371,826,439.00

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Solution

The fourth proportional to 685,092,225.04, 945,428,182.81 and 371,826,439.00 is: 513,120,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,092,225.04 : 945,428,182.81 = 371,826,439.00 : x
  2. Step 2: Convert to fraction form
    685,092,225.04/945,428,182.81 = 371,826,439.00/x
  3. Step 3: Cross multiply
    685,092,225.04x = 945,428,182.81 × 371,826,439.00
  4. Step 4: Simplify right side
    685,092,225.04x = 351,535,194,541,190,208
  5. Step 5: Solve for x
    x = 351,535,194,541,190,208/685,092,225.04
  6. Step 6: Final answer
    x = 513,120,980.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.