Home / 211,175,187,468.51-291,427,281,884.12-114,836,908,385.54

Finding the Fourth Proportional to 211,175,187,468.51, 291,427,281,884.12 and 114,836,908,385.54

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Solution

The fourth proportional to 211,175,187,468.51, 291,427,281,884.12 and 114,836,908,385.54 is: 158,477,937,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,175,187,468.51 : 291,427,281,884.12 = 114,836,908,385.54 : x
  2. Step 2: Convert to fraction form
    211,175,187,468.51/291,427,281,884.12 = 114,836,908,385.54/x
  3. Step 3: Cross multiply
    211,175,187,468.51x = 291,427,281,884.12 × 114,836,908,385.54
  4. Step 4: Simplify right side
    211,175,187,468.51x = 33,466,608,070,773,627,158,528
  5. Step 5: Solve for x
    x = 33,466,608,070,773,627,158,528/211,175,187,468.51
  6. Step 6: Final answer
    x = 158,477,937,071.86

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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.