Home / 14,978,570,841.79-20,660,472,472.26-9,632,893,510.69

Finding the Fourth Proportional to 14,978,570,841.79, 20,660,472,472.26 and 9,632,893,510.69

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Solution

The fourth proportional to 14,978,570,841.79, 20,660,472,472.26 and 9,632,893,510.69 is: 13,286,990,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,570,841.79 : 20,660,472,472.26 = 9,632,893,510.69 : x
  2. Step 2: Convert to fraction form
    14,978,570,841.79/20,660,472,472.26 = 9,632,893,510.69/x
  3. Step 3: Cross multiply
    14,978,570,841.79x = 20,660,472,472.26 × 9,632,893,510.69
  4. Step 4: Simplify right side
    14,978,570,841.79x = 199,020,131,205,822,742,528
  5. Step 5: Solve for x
    x = 199,020,131,205,822,742,528/14,978,570,841.79
  6. Step 6: Final answer
    x = 13,286,990,682.09

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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.