Home / 13,566,335,955.21-18,708,550,901.64-8,981,342,457.21

Finding the Fourth Proportional to 13,566,335,955.21, 18,708,550,901.64 and 8,981,342,457.21

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Solution

The fourth proportional to 13,566,335,955.21, 18,708,550,901.64 and 8,981,342,457.21 is: 12,385,651,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566,335,955.21 : 18,708,550,901.64 = 8,981,342,457.21 : x
  2. Step 2: Convert to fraction form
    13,566,335,955.21/18,708,550,901.64 = 8,981,342,457.21/x
  3. Step 3: Cross multiply
    13,566,335,955.21x = 18,708,550,901.64 × 8,981,342,457.21
  4. Step 4: Simplify right side
    13,566,335,955.21x = 168,027,902,525,773,742,080
  5. Step 5: Solve for x
    x = 168,027,902,525,773,742,080/13,566,335,955.21
  6. Step 6: Final answer
    x = 12,385,651,002.64

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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.