Home / 386,275,998.40-579,516,640.80-167,832,606.40

Finding the Fourth Proportional to 386,275,998.40, 579,516,640.80 and 167,832,606.40

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Solution

The fourth proportional to 386,275,998.40, 579,516,640.80 and 167,832,606.40 is: 251,793,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,275,998.40 : 579,516,640.80 = 167,832,606.40 : x
  2. Step 2: Convert to fraction form
    386,275,998.40/579,516,640.80 = 167,832,606.40/x
  3. Step 3: Cross multiply
    386,275,998.40x = 579,516,640.80 × 167,832,606.40
  4. Step 4: Simplify right side
    386,275,998.40x = 97,261,788,277,636,576
  5. Step 5: Solve for x
    x = 97,261,788,277,636,576/386,275,998.40
  6. Step 6: Final answer
    x = 251,793,506.92

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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.