Home / 15,337,854,642.76-21,166,032,455.70-8,563,777,564.36

Finding the Fourth Proportional to 15,337,854,642.76, 21,166,032,455.70 and 8,563,777,564.36

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Solution

The fourth proportional to 15,337,854,642.76, 21,166,032,455.70 and 8,563,777,564.36 is: 11,817,897,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337,854,642.76 : 21,166,032,455.70 = 8,563,777,564.36 : x
  2. Step 2: Convert to fraction form
    15,337,854,642.76/21,166,032,455.70 = 8,563,777,564.36/x
  3. Step 3: Cross multiply
    15,337,854,642.76x = 21,166,032,455.70 × 8,563,777,564.36
  4. Step 4: Simplify right side
    15,337,854,642.76x = 181,261,193,870,639,267,840
  5. Step 5: Solve for x
    x = 181,261,193,870,639,267,840/15,337,854,642.76
  6. Step 6: Final answer
    x = 11,817,897,489.09

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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.