Home / 977,595,982.55-1,468,094,585.03-518,430,958.55

Finding the Fourth Proportional to 977,595,982.55, 1,468,094,585.03 and 518,430,958.55

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Solution

The fourth proportional to 977,595,982.55, 1,468,094,585.03 and 518,430,958.55 is: 778,548,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,595,982.55 : 1,468,094,585.03 = 518,430,958.55 : x
  2. Step 2: Convert to fraction form
    977,595,982.55/1,468,094,585.03 = 518,430,958.55/x
  3. Step 3: Cross multiply
    977,595,982.55x = 1,468,094,585.03 × 518,430,958.55
  4. Step 4: Simplify right side
    977,595,982.55x = 761,105,682,956,575,232
  5. Step 5: Solve for x
    x = 761,105,682,956,575,232/977,595,982.55
  6. Step 6: Final answer
    x = 778,548,292.49

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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.