Home / 854,611,438.04-1,281,893,241.54-272,380,621.67

Finding the Fourth Proportional to 854,611,438.04, 1,281,893,241.54 and 272,380,621.67

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Solution

The fourth proportional to 854,611,438.04, 1,281,893,241.54 and 272,380,621.67 is: 408,563,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,611,438.04 : 1,281,893,241.54 = 272,380,621.67 : x
  2. Step 2: Convert to fraction form
    854,611,438.04/1,281,893,241.54 = 272,380,621.67/x
  3. Step 3: Cross multiply
    854,611,438.04x = 1,281,893,241.54 × 272,380,621.67
  4. Step 4: Simplify right side
    854,611,438.04x = 349,162,878,050,333,824
  5. Step 5: Solve for x
    x = 349,162,878,050,333,824/854,611,438.04
  6. Step 6: Final answer
    x = 408,563,310.19

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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.