Home / 319,446,973.65-440,856,984.28-180,166,916.37

Finding the Fourth Proportional to 319,446,973.65, 440,856,984.28 and 180,166,916.37

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Solution

The fourth proportional to 319,446,973.65, 440,856,984.28 and 180,166,916.37 is: 248,641,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,446,973.65 : 440,856,984.28 = 180,166,916.37 : x
  2. Step 2: Convert to fraction form
    319,446,973.65/440,856,984.28 = 180,166,916.37/x
  3. Step 3: Cross multiply
    319,446,973.65x = 440,856,984.28 × 180,166,916.37
  4. Step 4: Simplify right side
    319,446,973.65x = 79,427,843,417,905,168
  5. Step 5: Solve for x
    x = 79,427,843,417,905,168/319,446,973.65
  6. Step 6: Final answer
    x = 248,641,715.12

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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.