Home / 1,299,307,132.40-1,948,960,698.60-993,197,116.40

Finding the Fourth Proportional to 1,299,307,132.40, 1,948,960,698.60 and 993,197,116.40

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Solution

The fourth proportional to 1,299,307,132.40, 1,948,960,698.60 and 993,197,116.40 is: 1,489,795,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,307,132.40 : 1,948,960,698.60 = 993,197,116.40 : x
  2. Step 2: Convert to fraction form
    1,299,307,132.40/1,948,960,698.60 = 993,197,116.40/x
  3. Step 3: Cross multiply
    1,299,307,132.40x = 1,948,960,698.60 × 993,197,116.40
  4. Step 4: Simplify right side
    1,299,307,132.40x = 1,935,702,145,826,449,408
  5. Step 5: Solve for x
    x = 1,935,702,145,826,449,408/1,299,307,132.40
  6. Step 6: Final answer
    x = 1,489,795,674.60

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Double scale
Find fourth proportional to 1,299,307,133.40, 1,948,960,700.10 and 993,197,117.40
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.