Home / 18,441,693,455.18-25,449,545,482.74-9,983,517,232.50

Finding the Fourth Proportional to 18,441,693,455.18, 25,449,545,482.74 and 9,983,517,232.50

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Solution

The fourth proportional to 18,441,693,455.18, 25,449,545,482.74 and 9,983,517,232.50 is: 13,777,258,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,693,455.18 : 25,449,545,482.74 = 9,983,517,232.50 : x
  2. Step 2: Convert to fraction form
    18,441,693,455.18/25,449,545,482.74 = 9,983,517,232.50/x
  3. Step 3: Cross multiply
    18,441,693,455.18x = 25,449,545,482.74 × 9,983,517,232.50
  4. Step 4: Simplify right side
    18,441,693,455.18x = 254,075,975,886,227,341,312
  5. Step 5: Solve for x
    x = 254,075,975,886,227,341,312/18,441,693,455.18
  6. Step 6: Final answer
    x = 13,777,258,390.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.