Home / 12,931,250,318.60-19,396,875,477.90-9,444,465,917.60

Finding the Fourth Proportional to 12,931,250,318.60, 19,396,875,477.90 and 9,444,465,917.60

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Solution

The fourth proportional to 12,931,250,318.60, 19,396,875,477.90 and 9,444,465,917.60 is: 14,166,698,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,250,318.60 : 19,396,875,477.90 = 9,444,465,917.60 : x
  2. Step 2: Convert to fraction form
    12,931,250,318.60/19,396,875,477.90 = 9,444,465,917.60/x
  3. Step 3: Cross multiply
    12,931,250,318.60x = 19,396,875,477.90 × 9,444,465,917.60
  4. Step 4: Simplify right side
    12,931,250,318.60x = 183,193,129,358,957,772,800
  5. Step 5: Solve for x
    x = 183,193,129,358,957,772,800/12,931,250,318.60
  6. Step 6: Final answer
    x = 14,166,698,876.40

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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.