Home / 839,808,246.30-1,259,712,369.45-622,130,012.70

Finding the Fourth Proportional to 839,808,246.30, 1,259,712,369.45 and 622,130,012.70

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Solution

The fourth proportional to 839,808,246.30, 1,259,712,369.45 and 622,130,012.70 is: 933,195,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,246.30 : 1,259,712,369.45 = 622,130,012.70 : x
  2. Step 2: Convert to fraction form
    839,808,246.30/1,259,712,369.45 = 622,130,012.70/x
  3. Step 3: Cross multiply
    839,808,246.30x = 1,259,712,369.45 × 622,130,012.70
  4. Step 4: Simplify right side
    839,808,246.30x = 783,704,872,404,275,712
  5. Step 5: Solve for x
    x = 783,704,872,404,275,712/839,808,246.30
  6. Step 6: Final answer
    x = 933,195,019.05

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1.5x scale

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.