Home / 931,310,337.60-1,396,965,506.40-317,914,574.40

Finding the Fourth Proportional to 931,310,337.60, 1,396,965,506.40 and 317,914,574.40

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Solution

The fourth proportional to 931,310,337.60, 1,396,965,506.40 and 317,914,574.40 is: 476,871,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,310,337.60 : 1,396,965,506.40 = 317,914,574.40 : x
  2. Step 2: Convert to fraction form
    931,310,337.60/1,396,965,506.40 = 317,914,574.40/x
  3. Step 3: Cross multiply
    931,310,337.60x = 1,396,965,506.40 × 317,914,574.40
  4. Step 4: Simplify right side
    931,310,337.60x = 444,115,694,418,636,480
  5. Step 5: Solve for x
    x = 444,115,694,418,636,480/931,310,337.60
  6. Step 6: Final answer
    x = 476,871,861.60

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Double scale
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Similar ratio
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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.