Home / 8,123,653,315.28-11,210,654,763.39-4,506,677,147.48

Finding the Fourth Proportional to 8,123,653,315.28, 11,210,654,763.39 and 4,506,677,147.48

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Solution

The fourth proportional to 8,123,653,315.28, 11,210,654,763.39 and 4,506,677,147.48 is: 6,219,221,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,653,315.28 : 11,210,654,763.39 = 4,506,677,147.48 : x
  2. Step 2: Convert to fraction form
    8,123,653,315.28/11,210,654,763.39 = 4,506,677,147.48/x
  3. Step 3: Cross multiply
    8,123,653,315.28x = 11,210,654,763.39 × 4,506,677,147.48
  4. Step 4: Simplify right side
    8,123,653,315.28x = 50,522,801,630,457,511,936
  5. Step 5: Solve for x
    x = 50,522,801,630,457,511,936/8,123,653,315.28
  6. Step 6: Final answer
    x = 6,219,221,779.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.