Home / 12,877,120,648.40-19,315,680,972.60-6,346,773,640.40

Finding the Fourth Proportional to 12,877,120,648.40, 19,315,680,972.60 and 6,346,773,640.40

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Solution

The fourth proportional to 12,877,120,648.40, 19,315,680,972.60 and 6,346,773,640.40 is: 9,520,160,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,120,648.40 : 19,315,680,972.60 = 6,346,773,640.40 : x
  2. Step 2: Convert to fraction form
    12,877,120,648.40/19,315,680,972.60 = 6,346,773,640.40/x
  3. Step 3: Cross multiply
    12,877,120,648.40x = 19,315,680,972.60 × 6,346,773,640.40
  4. Step 4: Simplify right side
    12,877,120,648.40x = 122,592,254,843,273,494,528
  5. Step 5: Solve for x
    x = 122,592,254,843,273,494,528/12,877,120,648.40
  6. Step 6: Final answer
    x = 9,520,160,460.60

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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.