Home / 829,076,016.80-1,243,047,154.80-392,585,808.80

Finding the Fourth Proportional to 829,076,016.80, 1,243,047,154.80 and 392,585,808.80

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Solution

The fourth proportional to 829,076,016.80, 1,243,047,154.80 and 392,585,808.80 is: 588,610,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,076,016.80 : 1,243,047,154.80 = 392,585,808.80 : x
  2. Step 2: Convert to fraction form
    829,076,016.80/1,243,047,154.80 = 392,585,808.80/x
  3. Step 3: Cross multiply
    829,076,016.80x = 1,243,047,154.80 × 392,585,808.80
  4. Step 4: Simplify right side
    829,076,016.80x = 488,002,672,643,696,768
  5. Step 5: Solve for x
    x = 488,002,672,643,696,768/829,076,016.80
  6. Step 6: Final answer
    x = 588,610,287.54

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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.