Home / 673,089,209.12-1,009,989,288.66-477,615,724.58

Finding the Fourth Proportional to 673,089,209.12, 1,009,989,288.66 and 477,615,724.58

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Solution

The fourth proportional to 673,089,209.12, 1,009,989,288.66 and 477,615,724.58 is: 716,675,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,089,209.12 : 1,009,989,288.66 = 477,615,724.58 : x
  2. Step 2: Convert to fraction form
    673,089,209.12/1,009,989,288.66 = 477,615,724.58/x
  3. Step 3: Cross multiply
    673,089,209.12x = 1,009,989,288.66 × 477,615,724.58
  4. Step 4: Simplify right side
    673,089,209.12x = 482,386,765,920,038,400
  5. Step 5: Solve for x
    x = 482,386,765,920,038,400/673,089,209.12
  6. Step 6: Final answer
    x = 716,675,827.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.