Home / 1,314,144,072.60-1,971,216,108.90-669,171,528.60

Finding the Fourth Proportional to 1,314,144,072.60, 1,971,216,108.90 and 669,171,528.60

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Solution

The fourth proportional to 1,314,144,072.60, 1,971,216,108.90 and 669,171,528.60 is: 1,003,757,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,144,072.60 : 1,971,216,108.90 = 669,171,528.60 : x
  2. Step 2: Convert to fraction form
    1,314,144,072.60/1,971,216,108.90 = 669,171,528.60/x
  3. Step 3: Cross multiply
    1,314,144,072.60x = 1,971,216,108.90 × 669,171,528.60
  4. Step 4: Simplify right side
    1,314,144,072.60x = 1,319,081,696,793,557,248
  5. Step 5: Solve for x
    x = 1,319,081,696,793,557,248/1,314,144,072.60
  6. Step 6: Final answer
    x = 1,003,757,292.90

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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.