Home / 10,405,615,742.51-14,359,365,210.25-5,647,789,465.33

Finding the Fourth Proportional to 10,405,615,742.51, 14,359,365,210.25 and 5,647,789,465.33

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Solution

The fourth proportional to 10,405,615,742.51, 14,359,365,210.25 and 5,647,789,465.33 is: 7,793,740,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,615,742.51 : 14,359,365,210.25 = 5,647,789,465.33 : x
  2. Step 2: Convert to fraction form
    10,405,615,742.51/14,359,365,210.25 = 5,647,789,465.33/x
  3. Step 3: Cross multiply
    10,405,615,742.51x = 14,359,365,210.25 × 5,647,789,465.33
  4. Step 4: Simplify right side
    10,405,615,742.51x = 81,098,671,563,288,870,912
  5. Step 5: Solve for x
    x = 81,098,671,563,288,870,912/10,405,615,742.51
  6. Step 6: Final answer
    x = 7,793,740,761.73

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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.