Home / 1,115,724,969.78-1,539,654,222.84-607,089,783.16

Finding the Fourth Proportional to 1,115,724,969.78, 1,539,654,222.84 and 607,089,783.16

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Solution

The fourth proportional to 1,115,724,969.78, 1,539,654,222.84 and 607,089,783.16 is: 837,758,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,724,969.78 : 1,539,654,222.84 = 607,089,783.16 : x
  2. Step 2: Convert to fraction form
    1,115,724,969.78/1,539,654,222.84 = 607,089,783.16/x
  3. Step 3: Cross multiply
    1,115,724,969.78x = 1,539,654,222.84 × 607,089,783.16
  4. Step 4: Simplify right side
    1,115,724,969.78x = 934,708,348,285,313,792
  5. Step 5: Solve for x
    x = 934,708,348,285,313,792/1,115,724,969.78
  6. Step 6: Final answer
    x = 837,758,743.06

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Double scale
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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.