Home / 526,485,500.51-726,541,057.51-291,531,116.45

Finding the Fourth Proportional to 526,485,500.51, 726,541,057.51 and 291,531,116.45

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Solution

The fourth proportional to 526,485,500.51, 726,541,057.51 and 291,531,116.45 is: 402,307,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,485,500.51 : 726,541,057.51 = 291,531,116.45 : x
  2. Step 2: Convert to fraction form
    526,485,500.51/726,541,057.51 = 291,531,116.45/x
  3. Step 3: Cross multiply
    526,485,500.51x = 726,541,057.51 × 291,531,116.45
  4. Step 4: Simplify right side
    526,485,500.51x = 211,809,325,642,653,952
  5. Step 5: Solve for x
    x = 211,809,325,642,653,952/526,485,500.51
  6. Step 6: Final answer
    x = 402,307,994.12

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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.