Home / 1,299,307,129.40-1,948,960,694.10-993,197,113.40

Finding the Fourth Proportional to 1,299,307,129.40, 1,948,960,694.10 and 993,197,113.40

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Solution

The fourth proportional to 1,299,307,129.40, 1,948,960,694.10 and 993,197,113.40 is: 1,489,795,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,307,129.40 : 1,948,960,694.10 = 993,197,113.40 : x
  2. Step 2: Convert to fraction form
    1,299,307,129.40/1,948,960,694.10 = 993,197,113.40/x
  3. Step 3: Cross multiply
    1,299,307,129.40x = 1,948,960,694.10 × 993,197,113.40
  4. Step 4: Simplify right side
    1,299,307,129.40x = 1,935,702,135,510,180,352
  5. Step 5: Solve for x
    x = 1,935,702,135,510,180,352/1,299,307,129.40
  6. Step 6: Final answer
    x = 1,489,795,670.10

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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.