Home / 13,358,665,280.67-20,020,566,656.21-7,462,986,372.51

Finding the Fourth Proportional to 13,358,665,280.67, 20,020,566,656.21 and 7,462,986,372.51

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Solution

The fourth proportional to 13,358,665,280.67, 20,020,566,656.21 and 7,462,986,372.51 is: 11,184,741,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,665,280.67 : 20,020,566,656.21 = 7,462,986,372.51 : x
  2. Step 2: Convert to fraction form
    13,358,665,280.67/20,020,566,656.21 = 7,462,986,372.51/x
  3. Step 3: Cross multiply
    13,358,665,280.67x = 20,020,566,656.21 × 7,462,986,372.51
  4. Step 4: Simplify right side
    13,358,665,280.67x = 149,413,216,125,186,015,232
  5. Step 5: Solve for x
    x = 149,413,216,125,186,015,232/13,358,665,280.67
  6. Step 6: Final answer
    x = 11,184,741,363.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.