Home / 589,968,019.40-884,952,029.10-406,302,009.80

Finding the Fourth Proportional to 589,968,019.40, 884,952,029.10 and 406,302,009.80

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Solution

The fourth proportional to 589,968,019.40, 884,952,029.10 and 406,302,009.80 is: 609,453,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,968,019.40 : 884,952,029.10 = 406,302,009.80 : x
  2. Step 2: Convert to fraction form
    589,968,019.40/884,952,029.10 = 406,302,009.80/x
  3. Step 3: Cross multiply
    589,968,019.40x = 884,952,029.10 × 406,302,009.80
  4. Step 4: Simplify right side
    589,968,019.40x = 359,557,787,999,918,080
  5. Step 5: Solve for x
    x = 359,557,787,999,918,080/589,968,019.40
  6. Step 6: Final answer
    x = 609,453,014.70

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Double scale
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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.