Home / 426,354,311.60-638,681,161.80-244,388,913.20

Finding the Fourth Proportional to 426,354,311.60, 638,681,161.80 and 244,388,913.20

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Solution

The fourth proportional to 426,354,311.60, 638,681,161.80 and 244,388,913.20 is: 366,095,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,354,311.60 : 638,681,161.80 = 244,388,913.20 : x
  2. Step 2: Convert to fraction form
    426,354,311.60/638,681,161.80 = 244,388,913.20/x
  3. Step 3: Cross multiply
    426,354,311.60x = 638,681,161.80 × 244,388,913.20
  4. Step 4: Simplify right side
    426,354,311.60x = 156,086,595,013,615,328
  5. Step 5: Solve for x
    x = 156,086,595,013,615,328/426,354,311.60
  6. Step 6: Final answer
    x = 366,095,969.40

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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.