Home / 1,065,327,625.51-1,470,203,363.86-589,009,180.71

Finding the Fourth Proportional to 1,065,327,625.51, 1,470,203,363.86 and 589,009,180.71

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Solution

The fourth proportional to 1,065,327,625.51, 1,470,203,363.86 and 589,009,180.71 is: 812,860,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,327,625.51 : 1,470,203,363.86 = 589,009,180.71 : x
  2. Step 2: Convert to fraction form
    1,065,327,625.51/1,470,203,363.86 = 589,009,180.71/x
  3. Step 3: Cross multiply
    1,065,327,625.51x = 1,470,203,363.86 × 589,009,180.71
  4. Step 4: Simplify right side
    1,065,327,625.51x = 865,963,278,819,209,984
  5. Step 5: Solve for x
    x = 865,963,278,819,209,984/1,065,327,625.51
  6. Step 6: Final answer
    x = 812,860,999.83

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Double scale
Find fourth proportional to 1,065,327,626.51, 1,470,203,365.24 and 589,009,181.71
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.