Home / 1,893,308,646.60-2,838,619,277.10-858,665,190.60

Finding the Fourth Proportional to 1,893,308,646.60, 2,838,619,277.10 and 858,665,190.60

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Solution

The fourth proportional to 1,893,308,646.60, 2,838,619,277.10 and 858,665,190.60 is: 1,287,388,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,308,646.60 : 2,838,619,277.10 = 858,665,190.60 : x
  2. Step 2: Convert to fraction form
    1,893,308,646.60/2,838,619,277.10 = 858,665,190.60/x
  3. Step 3: Cross multiply
    1,893,308,646.60x = 2,838,619,277.10 × 858,665,190.60
  4. Step 4: Simplify right side
    1,893,308,646.60x = 2,437,423,562,611,905,536
  5. Step 5: Solve for x
    x = 2,437,423,562,611,905,536/1,893,308,646.60
  6. Step 6: Final answer
    x = 1,287,388,385.93

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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.