Home / 2,653,259,999.60-3,979,889,999.40-1,877,781,292.40

Finding the Fourth Proportional to 2,653,259,999.60, 3,979,889,999.40 and 1,877,781,292.40

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Solution

The fourth proportional to 2,653,259,999.60, 3,979,889,999.40 and 1,877,781,292.40 is: 2,816,671,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,259,999.60 : 3,979,889,999.40 = 1,877,781,292.40 : x
  2. Step 2: Convert to fraction form
    2,653,259,999.60/3,979,889,999.40 = 1,877,781,292.40/x
  3. Step 3: Cross multiply
    2,653,259,999.60x = 3,979,889,999.40 × 1,877,781,292.40
  4. Step 4: Simplify right side
    2,653,259,999.60x = 7,473,362,986,683,167,744
  5. Step 5: Solve for x
    x = 7,473,362,986,683,167,744/2,653,259,999.60
  6. Step 6: Final answer
    x = 2,816,671,938.60

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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.