Home / 429,454,654.53-644,133,740.85-118,606,461.45

Finding the Fourth Proportional to 429,454,654.53, 644,133,740.85 and 118,606,461.45

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Solution

The fourth proportional to 429,454,654.53, 644,133,740.85 and 118,606,461.45 is: 177,896,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,454,654.53 : 644,133,740.85 = 118,606,461.45 : x
  2. Step 2: Convert to fraction form
    429,454,654.53/644,133,740.85 = 118,606,461.45/x
  3. Step 3: Cross multiply
    429,454,654.53x = 644,133,740.85 × 118,606,461.45
  4. Step 4: Simplify right side
    429,454,654.53x = 76,398,423,702,769,824
  5. Step 5: Solve for x
    x = 76,398,423,702,769,824/429,454,654.53
  6. Step 6: Final answer
    x = 177,896,369.03

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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.