Home / 258,810,291,566.40-388,258,435,519.20-101,780,976,187.20

Finding the Fourth Proportional to 258,810,291,566.40, 388,258,435,519.20 and 101,780,976,187.20

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Solution

The fourth proportional to 258,810,291,566.40, 388,258,435,519.20 and 101,780,976,187.20 is: 152,688,373,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,810,291,566.40 : 388,258,435,519.20 = 101,780,976,187.20 : x
  2. Step 2: Convert to fraction form
    258,810,291,566.40/388,258,435,519.20 = 101,780,976,187.20/x
  3. Step 3: Cross multiply
    258,810,291,566.40x = 388,258,435,519.20 × 101,780,976,187.20
  4. Step 4: Simplify right side
    258,810,291,566.40x = 39,517,322,580,059,224,014,848
  5. Step 5: Solve for x
    x = 39,517,322,580,059,224,014,848/258,810,291,566.40
  6. Step 6: Final answer
    x = 152,688,373,947.14

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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.