Home / 624,325,009.46-861,621,421.08-345,953,851.70

Finding the Fourth Proportional to 624,325,009.46, 861,621,421.08 and 345,953,851.70

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Solution

The fourth proportional to 624,325,009.46, 861,621,421.08 and 345,953,851.70 is: 477,445,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,325,009.46 : 861,621,421.08 = 345,953,851.70 : x
  2. Step 2: Convert to fraction form
    624,325,009.46/861,621,421.08 = 345,953,851.70/x
  3. Step 3: Cross multiply
    624,325,009.46x = 861,621,421.08 × 345,953,851.70
  4. Step 4: Simplify right side
    624,325,009.46x = 298,081,249,329,853,568
  5. Step 5: Solve for x
    x = 298,081,249,329,853,568/624,325,009.46
  6. Step 6: Final answer
    x = 477,445,632.98

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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.