Home / 545,740,521.98-818,610,689.51-172,510,410.41

Finding the Fourth Proportional to 545,740,521.98, 818,610,689.51 and 172,510,410.41

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Solution

The fourth proportional to 545,740,521.98, 818,610,689.51 and 172,510,410.41 is: 258,765,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,740,521.98 : 818,610,689.51 = 172,510,410.41 : x
  2. Step 2: Convert to fraction form
    545,740,521.98/818,610,689.51 = 172,510,410.41/x
  3. Step 3: Cross multiply
    545,740,521.98x = 818,610,689.51 × 172,510,410.41
  4. Step 4: Simplify right side
    545,740,521.98x = 141,218,866,014,765,440
  5. Step 5: Solve for x
    x = 141,218,866,014,765,440/545,740,521.98
  6. Step 6: Final answer
    x = 258,765,586.08

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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.