Home / 13,291,216,034.96-18,337,896,135.96-7,652,286,902.72

Finding the Fourth Proportional to 13,291,216,034.96, 18,337,896,135.96 and 7,652,286,902.72

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Solution

The fourth proportional to 13,291,216,034.96, 18,337,896,135.96 and 7,652,286,902.72 is: 10,557,863,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,216,034.96 : 18,337,896,135.96 = 7,652,286,902.72 : x
  2. Step 2: Convert to fraction form
    13,291,216,034.96/18,337,896,135.96 = 7,652,286,902.72/x
  3. Step 3: Cross multiply
    13,291,216,034.96x = 18,337,896,135.96 × 7,652,286,902.72
  4. Step 4: Simplify right side
    13,291,216,034.96x = 140,326,842,424,646,402,048
  5. Step 5: Solve for x
    x = 140,326,842,424,646,402,048/13,291,216,034.96
  6. Step 6: Final answer
    x = 10,557,863,332.86

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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.