Home / 456,742,355.88-685,101,133.53-316,545,858.12

Finding the Fourth Proportional to 456,742,355.88, 685,101,133.53 and 316,545,858.12

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Solution

The fourth proportional to 456,742,355.88, 685,101,133.53 and 316,545,858.12 is: 474,810,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,742,355.88 : 685,101,133.53 = 316,545,858.12 : x
  2. Step 2: Convert to fraction form
    456,742,355.88/685,101,133.53 = 316,545,858.12/x
  3. Step 3: Cross multiply
    456,742,355.88x = 685,101,133.53 × 316,545,858.12
  4. Step 4: Simplify right side
    456,742,355.88x = 216,865,926,212,238,560
  5. Step 5: Solve for x
    x = 216,865,926,212,238,560/456,742,355.88
  6. Step 6: Final answer
    x = 474,810,193.14

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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.