Home / 679,245,802.40-1,018,868,703.60-601,761,704.60

Finding the Fourth Proportional to 679,245,802.40, 1,018,868,703.60 and 601,761,704.60

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Solution

The fourth proportional to 679,245,802.40, 1,018,868,703.60 and 601,761,704.60 is: 902,642,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,245,802.40 : 1,018,868,703.60 = 601,761,704.60 : x
  2. Step 2: Convert to fraction form
    679,245,802.40/1,018,868,703.60 = 601,761,704.60/x
  3. Step 3: Cross multiply
    679,245,802.40x = 1,018,868,703.60 × 601,761,704.60
  4. Step 4: Simplify right side
    679,245,802.40x = 613,116,167,841,928,192
  5. Step 5: Solve for x
    x = 613,116,167,841,928,192/679,245,802.40
  6. Step 6: Final answer
    x = 902,642,556.90

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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.