Home / 948,742,842.60-1,422,983,043.90-294,143,999.40

Finding the Fourth Proportional to 948,742,842.60, 1,422,983,043.90 and 294,143,999.40

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Solution

The fourth proportional to 948,742,842.60, 1,422,983,043.90 and 294,143,999.40 is: 441,175,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,742,842.60 : 1,422,983,043.90 = 294,143,999.40 : x
  2. Step 2: Convert to fraction form
    948,742,842.60/1,422,983,043.90 = 294,143,999.40/x
  3. Step 3: Cross multiply
    948,742,842.60x = 1,422,983,043.90 × 294,143,999.40
  4. Step 4: Simplify right side
    948,742,842.60x = 418,561,923,611,131,776
  5. Step 5: Solve for x
    x = 418,561,923,611,131,776/948,742,842.60
  6. Step 6: Final answer
    x = 441,175,316.24

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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.