Home / 3,555,074,400,911.40-4,905,998,861,621.20-1,931,105,779,602.50

Finding the Fourth Proportional to 3,555,074,400,911.40, 4,905,998,861,621.20 and 1,931,105,779,602.50

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Solution

The fourth proportional to 3,555,074,400,911.40, 4,905,998,861,621.20 and 1,931,105,779,602.50 is: 2,664,923,905,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,074,400,911.40 : 4,905,998,861,621.20 = 1,931,105,779,602.50 : x
  2. Step 2: Convert to fraction form
    3,555,074,400,911.40/4,905,998,861,621.20 = 1,931,105,779,602.50/x
  3. Step 3: Cross multiply
    3,555,074,400,911.40x = 4,905,998,861,621.20 × 1,931,105,779,602.50
  4. Step 4: Simplify right side
    3,555,074,400,911.40x = 9,474,002,756,399,984,831,102,976
  5. Step 5: Solve for x
    x = 9,474,002,756,399,984,831,102,976/3,555,074,400,911.40
  6. Step 6: Final answer
    x = 2,664,923,905,381.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.