Home / 219,451,247,997.60-329,176,871,996.40-70,406,281,207.20

Finding the Fourth Proportional to 219,451,247,997.60, 329,176,871,996.40 and 70,406,281,207.20

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Solution

The fourth proportional to 219,451,247,997.60, 329,176,871,996.40 and 70,406,281,207.20 is: 105,609,421,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,451,247,997.60 : 329,176,871,996.40 = 70,406,281,207.20 : x
  2. Step 2: Convert to fraction form
    219,451,247,997.60/329,176,871,996.40 = 70,406,281,207.20/x
  3. Step 3: Cross multiply
    219,451,247,997.60x = 329,176,871,996.40 × 70,406,281,207.20
  4. Step 4: Simplify right side
    219,451,247,997.60x = 23,176,119,416,685,020,053,504
  5. Step 5: Solve for x
    x = 23,176,119,416,685,020,053,504/219,451,247,997.60
  6. Step 6: Final answer
    x = 105,609,421,810.80

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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.