Home / 7,243,344,303.60-10,865,016,455.40-7,197,427,801.20

Finding the Fourth Proportional to 7,243,344,303.60, 10,865,016,455.40 and 7,197,427,801.20

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Solution

The fourth proportional to 7,243,344,303.60, 10,865,016,455.40 and 7,197,427,801.20 is: 10,796,141,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,344,303.60 : 10,865,016,455.40 = 7,197,427,801.20 : x
  2. Step 2: Convert to fraction form
    7,243,344,303.60/10,865,016,455.40 = 7,197,427,801.20/x
  3. Step 3: Cross multiply
    7,243,344,303.60x = 10,865,016,455.40 × 7,197,427,801.20
  4. Step 4: Simplify right side
    7,243,344,303.60x = 78,200,171,496,591,441,920
  5. Step 5: Solve for x
    x = 78,200,171,496,591,441,920/7,243,344,303.60
  6. Step 6: Final answer
    x = 10,796,141,701.80

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Half scale
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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.