Home / 13,452,686,509.52-18,564,347,701.32-7,431,062,313.68

Finding the Fourth Proportional to 13,452,686,509.52, 18,564,347,701.32 and 7,431,062,313.68

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Solution

The fourth proportional to 13,452,686,509.52, 18,564,347,701.32 and 7,431,062,313.68 is: 10,254,667,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,686,509.52 : 18,564,347,701.32 = 7,431,062,313.68 : x
  2. Step 2: Convert to fraction form
    13,452,686,509.52/18,564,347,701.32 = 7,431,062,313.68/x
  3. Step 3: Cross multiply
    13,452,686,509.52x = 18,564,347,701.32 × 7,431,062,313.68
  4. Step 4: Simplify right side
    13,452,686,509.52x = 137,952,824,581,330,993,152
  5. Step 5: Solve for x
    x = 137,952,824,581,330,993,152/13,452,686,509.52
  6. Step 6: Final answer
    x = 10,254,667,310.04

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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.