Home / 651,884,141.20-977,826,211.80-215,252,215.60

Finding the Fourth Proportional to 651,884,141.20, 977,826,211.80 and 215,252,215.60

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Solution

The fourth proportional to 651,884,141.20, 977,826,211.80 and 215,252,215.60 is: 322,878,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,884,141.20 : 977,826,211.80 = 215,252,215.60 : x
  2. Step 2: Convert to fraction form
    651,884,141.20/977,826,211.80 = 215,252,215.60/x
  3. Step 3: Cross multiply
    651,884,141.20x = 977,826,211.80 × 215,252,215.60
  4. Step 4: Simplify right side
    651,884,141.20x = 210,479,258,561,704,832
  5. Step 5: Solve for x
    x = 210,479,258,561,704,832/651,884,141.20
  6. Step 6: Final answer
    x = 322,878,323.40

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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.