Home / 719,119,513.89-1,078,710,665.22-227,868,986.16

Finding the Fourth Proportional to 719,119,513.89, 1,078,710,665.22 and 227,868,986.16

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Solution

The fourth proportional to 719,119,513.89, 1,078,710,665.22 and 227,868,986.16 is: 341,813,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,119,513.89 : 1,078,710,665.22 = 227,868,986.16 : x
  2. Step 2: Convert to fraction form
    719,119,513.89/1,078,710,665.22 = 227,868,986.16/x
  3. Step 3: Cross multiply
    719,119,513.89x = 1,078,710,665.22 × 227,868,986.16
  4. Step 4: Simplify right side
    719,119,513.89x = 245,804,705,643,660,576
  5. Step 5: Solve for x
    x = 245,804,705,643,660,576/719,119,513.89
  6. Step 6: Final answer
    x = 341,813,427.25

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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.