Home / 13,300,005,785.76-18,353,996,005.38-7,507,528,701.88

Finding the Fourth Proportional to 13,300,005,785.76, 18,353,996,005.38 and 7,507,528,701.88

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Solution

The fourth proportional to 13,300,005,785.76, 18,353,996,005.38 and 7,507,528,701.88 is: 10,360,382,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,005,785.76 : 18,353,996,005.38 = 7,507,528,701.88 : x
  2. Step 2: Convert to fraction form
    13,300,005,785.76/18,353,996,005.38 = 7,507,528,701.88/x
  3. Step 3: Cross multiply
    13,300,005,785.76x = 18,353,996,005.38 × 7,507,528,701.88
  4. Step 4: Simplify right side
    13,300,005,785.76x = 137,793,151,804,489,449,472
  5. Step 5: Solve for x
    x = 137,793,151,804,489,449,472/13,300,005,785.76
  6. Step 6: Final answer
    x = 10,360,382,846.75

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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.