Home / 13,210,434,131.40-18,230,402,077.11-7,269,986,633.40

Finding the Fourth Proportional to 13,210,434,131.40, 18,230,402,077.11 and 7,269,986,633.40

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Solution

The fourth proportional to 13,210,434,131.40, 18,230,402,077.11 and 7,269,986,633.40 is: 10,032,583,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,434,131.40 : 18,230,402,077.11 = 7,269,986,633.40 : x
  2. Step 2: Convert to fraction form
    13,210,434,131.40/18,230,402,077.11 = 7,269,986,633.40/x
  3. Step 3: Cross multiply
    13,210,434,131.40x = 18,230,402,077.11 × 7,269,986,633.40
  4. Step 4: Simplify right side
    13,210,434,131.40x = 132,534,779,422,097,293,312
  5. Step 5: Solve for x
    x = 132,534,779,422,097,293,312/13,210,434,131.40
  6. Step 6: Final answer
    x = 10,032,583,191.73

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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.