Home / 1,189,243,926.20-1,780,338,695.70-883,889,737.40

Finding the Fourth Proportional to 1,189,243,926.20, 1,780,338,695.70 and 883,889,737.40

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Solution

The fourth proportional to 1,189,243,926.20, 1,780,338,695.70 and 883,889,737.40 is: 1,323,213,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,243,926.20 : 1,780,338,695.70 = 883,889,737.40 : x
  2. Step 2: Convert to fraction form
    1,189,243,926.20/1,780,338,695.70 = 883,889,737.40/x
  3. Step 3: Cross multiply
    1,189,243,926.20x = 1,780,338,695.70 × 883,889,737.40
  4. Step 4: Simplify right side
    1,189,243,926.20x = 1,573,623,102,225,331,456
  5. Step 5: Solve for x
    x = 1,573,623,102,225,331,456/1,189,243,926.20
  6. Step 6: Final answer
    x = 1,323,213,066.35

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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.