Home / 704,190,905.40-1,056,281,109.30-212,903,225.40

Finding the Fourth Proportional to 704,190,905.40, 1,056,281,109.30 and 212,903,225.40

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Solution

The fourth proportional to 704,190,905.40, 1,056,281,109.30 and 212,903,225.40 is: 319,353,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,190,905.40 : 1,056,281,109.30 = 212,903,225.40 : x
  2. Step 2: Convert to fraction form
    704,190,905.40/1,056,281,109.30 = 212,903,225.40/x
  3. Step 3: Cross multiply
    704,190,905.40x = 1,056,281,109.30 × 212,903,225.40
  4. Step 4: Simplify right side
    704,190,905.40x = 224,885,655,099,059,936
  5. Step 5: Solve for x
    x = 224,885,655,099,059,936/704,190,905.40
  6. Step 6: Final answer
    x = 319,353,251.19

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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.