Home / 1,343,953,517.60-2,015,930,276.40-423,922,858.40

Finding the Fourth Proportional to 1,343,953,517.60, 2,015,930,276.40 and 423,922,858.40

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Solution

The fourth proportional to 1,343,953,517.60, 2,015,930,276.40 and 423,922,858.40 is: 635,884,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,953,517.60 : 2,015,930,276.40 = 423,922,858.40 : x
  2. Step 2: Convert to fraction form
    1,343,953,517.60/2,015,930,276.40 = 423,922,858.40/x
  3. Step 3: Cross multiply
    1,343,953,517.60x = 2,015,930,276.40 × 423,922,858.40
  4. Step 4: Simplify right side
    1,343,953,517.60x = 854,598,925,106,590,080
  5. Step 5: Solve for x
    x = 854,598,925,106,590,080/1,343,953,517.60
  6. Step 6: Final answer
    x = 635,884,287.60

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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.