Home / 921,707,965,258.30-1,271,929,378,731.10-510,193,311,772.64

Finding the Fourth Proportional to 921,707,965,258.30, 1,271,929,378,731.10 and 510,193,311,772.64

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Solution

The fourth proportional to 921,707,965,258.30, 1,271,929,378,731.10 and 510,193,311,772.64 is: 704,051,485,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,707,965,258.30 : 1,271,929,378,731.10 = 510,193,311,772.64 : x
  2. Step 2: Convert to fraction form
    921,707,965,258.30/1,271,929,378,731.10 = 510,193,311,772.64/x
  3. Step 3: Cross multiply
    921,707,965,258.30x = 1,271,929,378,731.10 × 510,193,311,772.64
  4. Step 4: Simplify right side
    921,707,965,258.30x = 648,929,862,075,736,458,788,864
  5. Step 5: Solve for x
    x = 648,929,862,075,736,458,788,864/921,707,965,258.30
  6. Step 6: Final answer
    x = 704,051,485,433.22

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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.