Home / 1,564,921,880.40-2,347,382,820.60-839,327,768.40

Finding the Fourth Proportional to 1,564,921,880.40, 2,347,382,820.60 and 839,327,768.40

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Solution

The fourth proportional to 1,564,921,880.40, 2,347,382,820.60 and 839,327,768.40 is: 1,258,991,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,921,880.40 : 2,347,382,820.60 = 839,327,768.40 : x
  2. Step 2: Convert to fraction form
    1,564,921,880.40/2,347,382,820.60 = 839,327,768.40/x
  3. Step 3: Cross multiply
    1,564,921,880.40x = 2,347,382,820.60 × 839,327,768.40
  4. Step 4: Simplify right side
    1,564,921,880.40x = 1,970,223,584,394,695,424
  5. Step 5: Solve for x
    x = 1,970,223,584,394,695,424/1,564,921,880.40
  6. Step 6: Final answer
    x = 1,258,991,652.60

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Double scale
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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.