Home / 747,167,999.80-1,120,751,999.70-475,742,054.20

Finding the Fourth Proportional to 747,167,999.80, 1,120,751,999.70 and 475,742,054.20

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Solution

The fourth proportional to 747,167,999.80, 1,120,751,999.70 and 475,742,054.20 is: 713,613,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,167,999.80 : 1,120,751,999.70 = 475,742,054.20 : x
  2. Step 2: Convert to fraction form
    747,167,999.80/1,120,751,999.70 = 475,742,054.20/x
  3. Step 3: Cross multiply
    747,167,999.80x = 1,120,751,999.70 × 475,742,054.20
  4. Step 4: Simplify right side
    747,167,999.80x = 533,188,858,586,035,776
  5. Step 5: Solve for x
    x = 533,188,858,586,035,776/747,167,999.80
  6. Step 6: Final answer
    x = 713,613,081.30

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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.