Home / 839,808,276.80-1,259,712,415.20-622,130,043.20

Finding the Fourth Proportional to 839,808,276.80, 1,259,712,415.20 and 622,130,043.20

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Solution

The fourth proportional to 839,808,276.80, 1,259,712,415.20 and 622,130,043.20 is: 933,195,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,276.80 : 1,259,712,415.20 = 622,130,043.20 : x
  2. Step 2: Convert to fraction form
    839,808,276.80/1,259,712,415.20 = 622,130,043.20/x
  3. Step 3: Cross multiply
    839,808,276.80x = 1,259,712,415.20 × 622,130,043.20
  4. Step 4: Simplify right side
    839,808,276.80x = 783,704,939,287,952,384
  5. Step 5: Solve for x
    x = 783,704,939,287,952,384/839,808,276.80
  6. Step 6: Final answer
    x = 933,195,064.80

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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.