Home / 651,884,140.20-977,826,210.30-215,252,214.60

Finding the Fourth Proportional to 651,884,140.20, 977,826,210.30 and 215,252,214.60

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Solution

The fourth proportional to 651,884,140.20, 977,826,210.30 and 215,252,214.60 is: 322,878,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,884,140.20 : 977,826,210.30 = 215,252,214.60 : x
  2. Step 2: Convert to fraction form
    651,884,140.20/977,826,210.30 = 215,252,214.60/x
  3. Step 3: Cross multiply
    651,884,140.20x = 977,826,210.30 × 215,252,214.60
  4. Step 4: Simplify right side
    651,884,140.20x = 210,479,257,261,000,320
  5. Step 5: Solve for x
    x = 210,479,257,261,000,320/651,884,140.20
  6. Step 6: Final answer
    x = 322,878,321.90

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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.