Home / 1,115,724,970.78-1,539,654,224.22-607,089,784.16

Finding the Fourth Proportional to 1,115,724,970.78, 1,539,654,224.22 and 607,089,784.16

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Solution

The fourth proportional to 1,115,724,970.78, 1,539,654,224.22 and 607,089,784.16 is: 837,758,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,724,970.78 : 1,539,654,224.22 = 607,089,784.16 : x
  2. Step 2: Convert to fraction form
    1,115,724,970.78/1,539,654,224.22 = 607,089,784.16/x
  3. Step 3: Cross multiply
    1,115,724,970.78x = 1,539,654,224.22 × 607,089,784.16
  4. Step 4: Simplify right side
    1,115,724,970.78x = 934,708,350,662,752,000
  5. Step 5: Solve for x
    x = 934,708,350,662,752,000/1,115,724,970.78
  6. Step 6: Final answer
    x = 837,758,744.44

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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.