Home / 29,109,140,574.12-40,170,614,055.66-15,743,133,702

Finding the Fourth Proportional to 29,109,140,574.12, 40,170,614,055.66 and 15,743,133,702

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Solution

The fourth proportional to 29,109,140,574.12, 40,170,614,055.66 and 15,743,133,702 is: 21,725,524,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109,140,574.12 : 40,170,614,055.66 = 15,743,133,702 : x
  2. Step 2: Convert to fraction form
    29,109,140,574.12/40,170,614,055.66 = 15,743,133,702/x
  3. Step 3: Cross multiply
    29,109,140,574.12x = 40,170,614,055.66 × 15,743,133,702
  4. Step 4: Simplify right side
    29,109,140,574.12x = 632,411,347,969,695,940,608
  5. Step 5: Solve for x
    x = 632,411,347,969,695,940,608/29,109,140,574.12
  6. Step 6: Final answer
    x = 21,725,524,543.03

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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.