Home / 39,938,359,358.73-55,116,668,412.67-22,117,016,864.73

Finding the Fourth Proportional to 39,938,359,358.73, 55,116,668,412.67 and 22,117,016,864.73

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Solution

The fourth proportional to 39,938,359,358.73, 55,116,668,412.67 and 22,117,016,864.73 is: 30,522,442,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938,359,358.73 : 55,116,668,412.67 = 22,117,016,864.73 : x
  2. Step 2: Convert to fraction form
    39,938,359,358.73/55,116,668,412.67 = 22,117,016,864.73/x
  3. Step 3: Cross multiply
    39,938,359,358.73x = 55,116,668,412.67 × 22,117,016,864.73
  4. Step 4: Simplify right side
    39,938,359,358.73x = 1,219,016,284,810,422,779,904
  5. Step 5: Solve for x
    x = 1,219,016,284,810,422,779,904/39,938,359,358.73
  6. Step 6: Final answer
    x = 30,522,442,693.78

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Double scale
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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.