Home / 1,246,102,064.48-1,869,156,262.80-509,171,970.48

Finding the Fourth Proportional to 1,246,102,064.48, 1,869,156,262.80 and 509,171,970.48

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Solution

The fourth proportional to 1,246,102,064.48, 1,869,156,262.80 and 509,171,970.48 is: 763,759,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,102,064.48 : 1,869,156,262.80 = 509,171,970.48 : x
  2. Step 2: Convert to fraction form
    1,246,102,064.48/1,869,156,262.80 = 509,171,970.48/x
  3. Step 3: Cross multiply
    1,246,102,064.48x = 1,869,156,262.80 × 509,171,970.48
  4. Step 4: Simplify right side
    1,246,102,064.48x = 951,721,977,464,908,672
  5. Step 5: Solve for x
    x = 951,721,977,464,908,672/1,246,102,064.48
  6. Step 6: Final answer
    x = 763,759,249.42

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Double scale
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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.