Home / 239,589,781,131.08-359,406,764,689.70-78,242,033,526.34

Finding the Fourth Proportional to 239,589,781,131.08, 359,406,764,689.70 and 78,242,033,526.34

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Solution

The fourth proportional to 239,589,781,131.08, 359,406,764,689.70 and 78,242,033,526.34 is: 117,370,265,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,589,781,131.08 : 359,406,764,689.70 = 78,242,033,526.34 : x
  2. Step 2: Convert to fraction form
    239,589,781,131.08/359,406,764,689.70 = 78,242,033,526.34/x
  3. Step 3: Cross multiply
    239,589,781,131.08x = 359,406,764,689.70 × 78,242,033,526.34
  4. Step 4: Simplify right side
    239,589,781,131.08x = 28,120,716,132,444,899,639,296
  5. Step 5: Solve for x
    x = 28,120,716,132,444,899,639,296/239,589,781,131.08
  6. Step 6: Final answer
    x = 117,370,265,124.37

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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.