Home / 13,175,344,083.57-18,181,464,887.12-7,153,711,665.51

Finding the Fourth Proportional to 13,175,344,083.57, 18,181,464,887.12 and 7,153,711,665.51

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Solution

The fourth proportional to 13,175,344,083.57, 18,181,464,887.12 and 7,153,711,665.51 is: 9,871,845,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,344,083.57 : 18,181,464,887.12 = 7,153,711,665.51 : x
  2. Step 2: Convert to fraction form
    13,175,344,083.57/18,181,464,887.12 = 7,153,711,665.51/x
  3. Step 3: Cross multiply
    13,175,344,083.57x = 18,181,464,887.12 × 7,153,711,665.51
  4. Step 4: Simplify right side
    13,175,344,083.57x = 130,064,957,459,015,041,024
  5. Step 5: Solve for x
    x = 130,064,957,459,015,041,024/13,175,344,083.57
  6. Step 6: Final answer
    x = 9,871,845,215.88

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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.