Home / 643,344,266.77-964,856,967.81-183,286,421.89

Finding the Fourth Proportional to 643,344,266.77, 964,856,967.81 and 183,286,421.89

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Solution

The fourth proportional to 643,344,266.77, 964,856,967.81 and 183,286,421.89 is: 274,884,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,344,266.77 : 964,856,967.81 = 183,286,421.89 : x
  2. Step 2: Convert to fraction form
    643,344,266.77/964,856,967.81 = 183,286,421.89/x
  3. Step 3: Cross multiply
    643,344,266.77x = 964,856,967.81 × 183,286,421.89
  4. Step 4: Simplify right side
    643,344,266.77x = 176,845,181,265,529,792
  5. Step 5: Solve for x
    x = 176,845,181,265,529,792/643,344,266.77
  6. Step 6: Final answer
    x = 274,884,211.14

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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.