Home / 1,570,872,857.40-2,356,309,286.10-696,546,124.20

Finding the Fourth Proportional to 1,570,872,857.40, 2,356,309,286.10 and 696,546,124.20

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Solution

The fourth proportional to 1,570,872,857.40, 2,356,309,286.10 and 696,546,124.20 is: 1,044,819,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,872,857.40 : 2,356,309,286.10 = 696,546,124.20 : x
  2. Step 2: Convert to fraction form
    1,570,872,857.40/2,356,309,286.10 = 696,546,124.20/x
  3. Step 3: Cross multiply
    1,570,872,857.40x = 2,356,309,286.10 × 696,546,124.20
  4. Step 4: Simplify right side
    1,570,872,857.40x = 1,641,278,100,649,423,872
  5. Step 5: Solve for x
    x = 1,641,278,100,649,423,872/1,570,872,857.40
  6. Step 6: Final answer
    x = 1,044,819,186.30

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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.