Home / 899,975,000.18-1,241,956,351.32-498,089,540.36

Finding the Fourth Proportional to 899,975,000.18, 1,241,956,351.32 and 498,089,540.36

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Solution

The fourth proportional to 899,975,000.18, 1,241,956,351.32 and 498,089,540.36 is: 687,358,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,975,000.18 : 1,241,956,351.32 = 498,089,540.36 : x
  2. Step 2: Convert to fraction form
    899,975,000.18/1,241,956,351.32 = 498,089,540.36/x
  3. Step 3: Cross multiply
    899,975,000.18x = 1,241,956,351.32 × 498,089,540.36
  4. Step 4: Simplify right side
    899,975,000.18x = 618,605,468,176,161,408
  5. Step 5: Solve for x
    x = 618,605,468,176,161,408/899,975,000.18
  6. Step 6: Final answer
    x = 687,358,502.24

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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.