Home / 13,175,344,095.08-18,181,464,902.97-7,153,711,677.11

Finding the Fourth Proportional to 13,175,344,095.08, 18,181,464,902.97 and 7,153,711,677.11

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Solution

The fourth proportional to 13,175,344,095.08, 18,181,464,902.97 and 7,153,711,677.11 is: 9,871,845,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,344,095.08 : 18,181,464,902.97 = 7,153,711,677.11 : x
  2. Step 2: Convert to fraction form
    13,175,344,095.08/18,181,464,902.97 = 7,153,711,677.11/x
  3. Step 3: Cross multiply
    13,175,344,095.08x = 18,181,464,902.97 × 7,153,711,677.11
  4. Step 4: Simplify right side
    13,175,344,095.08x = 130,064,957,783,358,963,712
  5. Step 5: Solve for x
    x = 130,064,957,783,358,963,712/13,175,344,095.08
  6. Step 6: Final answer
    x = 9,871,845,231.88

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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.