Home / 247,852,529,520.48-371,948,617,608.93-86,503,936,254.12

Finding the Fourth Proportional to 247,852,529,520.48, 371,948,617,608.93 and 86,503,936,254.12

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Solution

The fourth proportional to 247,852,529,520.48, 371,948,617,608.93 and 86,503,936,254.12 is: 129,815,175,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,852,529,520.48 : 371,948,617,608.93 = 86,503,936,254.12 : x
  2. Step 2: Convert to fraction form
    247,852,529,520.48/371,948,617,608.93 = 86,503,936,254.12/x
  3. Step 3: Cross multiply
    247,852,529,520.48x = 371,948,617,608.93 × 86,503,936,254.12
  4. Step 4: Simplify right side
    247,852,529,520.48x = 32,175,019,507,450,933,936,128
  5. Step 5: Solve for x
    x = 32,175,019,507,450,933,936,128/247,852,529,520.48
  6. Step 6: Final answer
    x = 129,815,175,054.70

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1.5x scale

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.