Home / 829,076,017.80-1,243,047,156.30-392,585,809.80

Finding the Fourth Proportional to 829,076,017.80, 1,243,047,156.30 and 392,585,809.80

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Solution

The fourth proportional to 829,076,017.80, 1,243,047,156.30 and 392,585,809.80 is: 588,610,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,076,017.80 : 1,243,047,156.30 = 392,585,809.80 : x
  2. Step 2: Convert to fraction form
    829,076,017.80/1,243,047,156.30 = 392,585,809.80/x
  3. Step 3: Cross multiply
    829,076,017.80x = 1,243,047,156.30 × 392,585,809.80
  4. Step 4: Simplify right side
    829,076,017.80x = 488,002,674,475,622,656
  5. Step 5: Solve for x
    x = 488,002,674,475,622,656/829,076,017.80
  6. Step 6: Final answer
    x = 588,610,289.04

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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.