Home / 39,938,359,353.65-55,116,668,405.67-22,117,016,859.65

Finding the Fourth Proportional to 39,938,359,353.65, 55,116,668,405.67 and 22,117,016,859.65

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Solution

The fourth proportional to 39,938,359,353.65, 55,116,668,405.67 and 22,117,016,859.65 is: 30,522,442,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938,359,353.65 : 55,116,668,405.67 = 22,117,016,859.65 : x
  2. Step 2: Convert to fraction form
    39,938,359,353.65/55,116,668,405.67 = 22,117,016,859.65/x
  3. Step 3: Cross multiply
    39,938,359,353.65x = 55,116,668,405.67 × 22,117,016,859.65
  4. Step 4: Simplify right side
    39,938,359,353.65x = 1,219,016,284,375,555,768,320
  5. Step 5: Solve for x
    x = 1,219,016,284,375,555,768,320/39,938,359,353.65
  6. Step 6: Final answer
    x = 30,522,442,686.78

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1.5x scale

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.