Home / 1,257,439,891,435.20-1,886,477,252,921.30-350,876,938,146.76

Finding the Fourth Proportional to 1,257,439,891,435.20, 1,886,477,252,921.30 and 350,876,938,146.76

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Solution

The fourth proportional to 1,257,439,891,435.20, 1,886,477,252,921.30 and 350,876,938,146.76 is: 526,403,979,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,439,891,435.20 : 1,886,477,252,921.30 = 350,876,938,146.76 : x
  2. Step 2: Convert to fraction form
    1,257,439,891,435.20/1,886,477,252,921.30 = 350,876,938,146.76/x
  3. Step 3: Cross multiply
    1,257,439,891,435.20x = 1,886,477,252,921.30 × 350,876,938,146.76
  4. Step 4: Simplify right side
    1,257,439,891,435.20x = 661,921,362,388,536,791,138,304
  5. Step 5: Solve for x
    x = 661,921,362,388,536,791,138,304/1,257,439,891,435.20
  6. Step 6: Final answer
    x = 526,403,979,146.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.