Home / 719,089,917.57-992,061,739.04-417,623,910.71

Finding the Fourth Proportional to 719,089,917.57, 992,061,739.04 and 417,623,910.71

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Solution

The fourth proportional to 719,089,917.57, 992,061,739.04 and 417,623,910.71 is: 576,157,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,089,917.57 : 992,061,739.04 = 417,623,910.71 : x
  2. Step 2: Convert to fraction form
    719,089,917.57/992,061,739.04 = 417,623,910.71/x
  3. Step 3: Cross multiply
    719,089,917.57x = 992,061,739.04 × 417,623,910.71
  4. Step 4: Simplify right side
    719,089,917.57x = 414,308,703,116,599,808
  5. Step 5: Solve for x
    x = 414,308,703,116,599,808/719,089,917.57
  6. Step 6: Final answer
    x = 576,157,018.74

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Double scale
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1.5x scale

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.