Home / 1,057,106,426.80-1,585,659,640.20-839,428,193.20

Finding the Fourth Proportional to 1,057,106,426.80, 1,585,659,640.20 and 839,428,193.20

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Solution

The fourth proportional to 1,057,106,426.80, 1,585,659,640.20 and 839,428,193.20 is: 1,259,142,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,106,426.80 : 1,585,659,640.20 = 839,428,193.20 : x
  2. Step 2: Convert to fraction form
    1,057,106,426.80/1,585,659,640.20 = 839,428,193.20/x
  3. Step 3: Cross multiply
    1,057,106,426.80x = 1,585,659,640.20 × 839,428,193.20
  4. Step 4: Simplify right side
    1,057,106,426.80x = 1,331,047,406,803,248,128
  5. Step 5: Solve for x
    x = 1,331,047,406,803,248,128/1,057,106,426.80
  6. Step 6: Final answer
    x = 1,259,142,289.80

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Double scale
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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.