Home / 1,169,804,786.40-1,754,282,026.80-393,475,773.60

Finding the Fourth Proportional to 1,169,804,786.40, 1,754,282,026.80 and 393,475,773.60

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Solution

The fourth proportional to 1,169,804,786.40, 1,754,282,026.80 and 393,475,773.60 is: 590,070,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,804,786.40 : 1,754,282,026.80 = 393,475,773.60 : x
  2. Step 2: Convert to fraction form
    1,169,804,786.40/1,754,282,026.80 = 393,475,773.60/x
  3. Step 3: Cross multiply
    1,169,804,786.40x = 1,754,282,026.80 × 393,475,773.60
  4. Step 4: Simplify right side
    1,169,804,786.40x = 690,267,477,607,705,984
  5. Step 5: Solve for x
    x = 690,267,477,607,705,984/1,169,804,786.40
  6. Step 6: Final answer
    x = 590,070,655.92

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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.