Home / 282,060,412.40-423,090,618.60-185,314,530.80

Finding the Fourth Proportional to 282,060,412.40, 423,090,618.60 and 185,314,530.80

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Solution

The fourth proportional to 282,060,412.40, 423,090,618.60 and 185,314,530.80 is: 277,971,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,060,412.40 : 423,090,618.60 = 185,314,530.80 : x
  2. Step 2: Convert to fraction form
    282,060,412.40/423,090,618.60 = 185,314,530.80/x
  3. Step 3: Cross multiply
    282,060,412.40x = 423,090,618.60 × 185,314,530.80
  4. Step 4: Simplify right side
    282,060,412.40x = 78,404,839,471,740,768
  5. Step 5: Solve for x
    x = 78,404,839,471,740,768/282,060,412.40
  6. Step 6: Final answer
    x = 277,971,796.20

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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.