Home / 666,747,566,603.15-999,927,328,131.30-258,242,828,102.90

Finding the Fourth Proportional to 666,747,566,603.15, 999,927,328,131.30 and 258,242,828,102.90

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Solution

The fourth proportional to 666,747,566,603.15, 999,927,328,131.30 and 258,242,828,102.90 is: 387,289,094,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,747,566,603.15 : 999,927,328,131.30 = 258,242,828,102.90 : x
  2. Step 2: Convert to fraction form
    666,747,566,603.15/999,927,328,131.30 = 258,242,828,102.90/x
  3. Step 3: Cross multiply
    666,747,566,603.15x = 999,927,328,131.30 × 258,242,828,102.90
  4. Step 4: Simplify right side
    666,747,566,603.15x = 258,224,061,114,003,396,493,312
  5. Step 5: Solve for x
    x = 258,224,061,114,003,396,493,312/666,747,566,603.15
  6. Step 6: Final answer
    x = 387,289,094,176.33

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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.