Home / 1,115,724,970.23-1,539,654,223.45-607,089,783.59

Finding the Fourth Proportional to 1,115,724,970.23, 1,539,654,223.45 and 607,089,783.59

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Solution

The fourth proportional to 1,115,724,970.23, 1,539,654,223.45 and 607,089,783.59 is: 837,758,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,724,970.23 : 1,539,654,223.45 = 607,089,783.59 : x
  2. Step 2: Convert to fraction form
    1,115,724,970.23/1,539,654,223.45 = 607,089,783.59/x
  3. Step 3: Cross multiply
    1,115,724,970.23x = 1,539,654,223.45 × 607,089,783.59
  4. Step 4: Simplify right side
    1,115,724,970.23x = 934,708,349,317,690,112
  5. Step 5: Solve for x
    x = 934,708,349,317,690,112/1,115,724,970.23
  6. Step 6: Final answer
    x = 837,758,743.65

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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.