Home / 1,257,439,891,456.20-1,886,477,252,952.70-350,876,938,167.76

Finding the Fourth Proportional to 1,257,439,891,456.20, 1,886,477,252,952.70 and 350,876,938,167.76

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Solution

The fourth proportional to 1,257,439,891,456.20, 1,886,477,252,952.70 and 350,876,938,167.76 is: 526,403,979,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,439,891,456.20 : 1,886,477,252,952.70 = 350,876,938,167.76 : x
  2. Step 2: Convert to fraction form
    1,257,439,891,456.20/1,886,477,252,952.70 = 350,876,938,167.76/x
  3. Step 3: Cross multiply
    1,257,439,891,456.20x = 1,886,477,252,952.70 × 350,876,938,167.76
  4. Step 4: Simplify right side
    1,257,439,891,456.20x = 661,921,362,439,170,294,808,576
  5. Step 5: Solve for x
    x = 661,921,362,439,170,294,808,576/1,257,439,891,456.20
  6. Step 6: Final answer
    x = 526,403,979,177.58

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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.