Home / 869,041,141.54-1,199,240,283.30-492,723,051.90

Finding the Fourth Proportional to 869,041,141.54, 1,199,240,283.30 and 492,723,051.90

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Solution

The fourth proportional to 869,041,141.54, 1,199,240,283.30 and 492,723,051.90 is: 679,937,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,041,141.54 : 1,199,240,283.30 = 492,723,051.90 : x
  2. Step 2: Convert to fraction form
    869,041,141.54/1,199,240,283.30 = 492,723,051.90/x
  3. Step 3: Cross multiply
    869,041,141.54x = 1,199,240,283.30 × 492,723,051.90
  4. Step 4: Simplify right side
    869,041,141.54x = 590,893,332,348,996,608
  5. Step 5: Solve for x
    x = 590,893,332,348,996,608/869,041,141.54
  6. Step 6: Final answer
    x = 679,937,121.62

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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.