Home / 433,030,271.20-648,269,948.40-407,804,538.40

Finding the Fourth Proportional to 433,030,271.20, 648,269,948.40 and 407,804,538.40

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Solution

The fourth proportional to 433,030,271.20, 648,269,948.40 and 407,804,538.40 is: 610,505,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,030,271.20 : 648,269,948.40 = 407,804,538.40 : x
  2. Step 2: Convert to fraction form
    433,030,271.20/648,269,948.40 = 407,804,538.40/x
  3. Step 3: Cross multiply
    433,030,271.20x = 648,269,948.40 × 407,804,538.40
  4. Step 4: Simplify right side
    433,030,271.20x = 264,367,427,065,853,792
  5. Step 5: Solve for x
    x = 264,367,427,065,853,792/433,030,271.20
  6. Step 6: Final answer
    x = 610,505,649.72

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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.