Home / 12,864,452,557.80-19,296,678,836.70-4,140,317,101.80

Finding the Fourth Proportional to 12,864,452,557.80, 19,296,678,836.70 and 4,140,317,101.80

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Solution

The fourth proportional to 12,864,452,557.80, 19,296,678,836.70 and 4,140,317,101.80 is: 6,210,475,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,452,557.80 : 19,296,678,836.70 = 4,140,317,101.80 : x
  2. Step 2: Convert to fraction form
    12,864,452,557.80/19,296,678,836.70 = 4,140,317,101.80/x
  3. Step 3: Cross multiply
    12,864,452,557.80x = 19,296,678,836.70 × 4,140,317,101.80
  4. Step 4: Simplify right side
    12,864,452,557.80x = 79,894,369,395,531,153,408
  5. Step 5: Solve for x
    x = 79,894,369,395,531,153,408/12,864,452,557.80
  6. Step 6: Final answer
    x = 6,210,475,652.70

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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.