Home / 2,179,272,777.60-3,007,460,237.76-1,189,262,006.40

Finding the Fourth Proportional to 2,179,272,777.60, 3,007,460,237.76 and 1,189,262,006.40

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Solution

The fourth proportional to 2,179,272,777.60, 3,007,460,237.76 and 1,189,262,006.40 is: 1,641,216,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,272,777.60 : 3,007,460,237.76 = 1,189,262,006.40 : x
  2. Step 2: Convert to fraction form
    2,179,272,777.60/3,007,460,237.76 = 1,189,262,006.40/x
  3. Step 3: Cross multiply
    2,179,272,777.60x = 3,007,460,237.76 × 1,189,262,006.40
  4. Step 4: Simplify right side
    2,179,272,777.60x = 3,576,658,196,526,679,040
  5. Step 5: Solve for x
    x = 3,576,658,196,526,679,040/2,179,272,777.60
  6. Step 6: Final answer
    x = 1,641,216,388.00

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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.