Home / 497,235,205.78-745,910,480.13-165,271,962.94

Finding the Fourth Proportional to 497,235,205.78, 745,910,480.13 and 165,271,962.94

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Solution

The fourth proportional to 497,235,205.78, 745,910,480.13 and 165,271,962.94 is: 247,927,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,235,205.78 : 745,910,480.13 = 165,271,962.94 : x
  2. Step 2: Convert to fraction form
    497,235,205.78/745,910,480.13 = 165,271,962.94/x
  3. Step 3: Cross multiply
    497,235,205.78x = 745,910,480.13 × 165,271,962.94
  4. Step 4: Simplify right side
    497,235,205.78x = 123,278,089,228,602,960
  5. Step 5: Solve for x
    x = 123,278,089,228,602,960/497,235,205.78
  6. Step 6: Final answer
    x = 247,927,113.36

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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.