Home / 12,744,680,269.60-19,117,020,404.40-11,928,386,893.60

Finding the Fourth Proportional to 12,744,680,269.60, 19,117,020,404.40 and 11,928,386,893.60

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Solution

The fourth proportional to 12,744,680,269.60, 19,117,020,404.40 and 11,928,386,893.60 is: 17,892,580,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,680,269.60 : 19,117,020,404.40 = 11,928,386,893.60 : x
  2. Step 2: Convert to fraction form
    12,744,680,269.60/19,117,020,404.40 = 11,928,386,893.60/x
  3. Step 3: Cross multiply
    12,744,680,269.60x = 19,117,020,404.40 × 11,928,386,893.60
  4. Step 4: Simplify right side
    12,744,680,269.60x = 228,035,215,636,528,758,784
  5. Step 5: Solve for x
    x = 228,035,215,636,528,758,784/12,744,680,269.60
  6. Step 6: Final answer
    x = 17,892,580,340.40

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Double scale
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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.