Home / 258,718,281,382.40-387,730,532,705.68-201,354,385,079.20

Finding the Fourth Proportional to 258,718,281,382.40, 387,730,532,705.68 and 201,354,385,079.20

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Solution

The fourth proportional to 258,718,281,382.40, 387,730,532,705.68 and 201,354,385,079.20 is: 301,761,601,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,718,281,382.40 : 387,730,532,705.68 = 201,354,385,079.20 : x
  2. Step 2: Convert to fraction form
    258,718,281,382.40/387,730,532,705.68 = 201,354,385,079.20/x
  3. Step 3: Cross multiply
    258,718,281,382.40x = 387,730,532,705.68 × 201,354,385,079.20
  4. Step 4: Simplify right side
    258,718,281,382.40x = 78,071,242,989,382,842,449,920
  5. Step 5: Solve for x
    x = 78,071,242,989,382,842,449,920/258,718,281,382.40
  6. Step 6: Final answer
    x = 301,761,601,740.04

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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.