Home / 854,617,008.40-1,281,925,512.60-793,395,005.20

Finding the Fourth Proportional to 854,617,008.40, 1,281,925,512.60 and 793,395,005.20

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Solution

The fourth proportional to 854,617,008.40, 1,281,925,512.60 and 793,395,005.20 is: 1,190,092,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,617,008.40 : 1,281,925,512.60 = 793,395,005.20 : x
  2. Step 2: Convert to fraction form
    854,617,008.40/1,281,925,512.60 = 793,395,005.20/x
  3. Step 3: Cross multiply
    854,617,008.40x = 1,281,925,512.60 × 793,395,005.20
  4. Step 4: Simplify right side
    854,617,008.40x = 1,017,073,298,735,289,600
  5. Step 5: Solve for x
    x = 1,017,073,298,735,289,600/854,617,008.40
  6. Step 6: Final answer
    x = 1,190,092,507.80

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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.