Home / 651,381,422.40-977,072,133.60-345,271,406.40

Finding the Fourth Proportional to 651,381,422.40, 977,072,133.60 and 345,271,406.40

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Solution

The fourth proportional to 651,381,422.40, 977,072,133.60 and 345,271,406.40 is: 517,907,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,381,422.40 : 977,072,133.60 = 345,271,406.40 : x
  2. Step 2: Convert to fraction form
    651,381,422.40/977,072,133.60 = 345,271,406.40/x
  3. Step 3: Cross multiply
    651,381,422.40x = 977,072,133.60 × 345,271,406.40
  4. Step 4: Simplify right side
    651,381,422.40x = 337,355,069,722,320,704
  5. Step 5: Solve for x
    x = 337,355,069,722,320,704/651,381,422.40
  6. Step 6: Final answer
    x = 517,907,109.60

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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.