Home / 1,347,986,218.60-2,021,979,327.90-1,296,330,153.40

Finding the Fourth Proportional to 1,347,986,218.60, 2,021,979,327.90 and 1,296,330,153.40

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Solution

The fourth proportional to 1,347,986,218.60, 2,021,979,327.90 and 1,296,330,153.40 is: 1,944,495,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,986,218.60 : 2,021,979,327.90 = 1,296,330,153.40 : x
  2. Step 2: Convert to fraction form
    1,347,986,218.60/2,021,979,327.90 = 1,296,330,153.40/x
  3. Step 3: Cross multiply
    1,347,986,218.60x = 2,021,979,327.90 × 1,296,330,153.40
  4. Step 4: Simplify right side
    1,347,986,218.60x = 2,621,152,772,308,236,288
  5. Step 5: Solve for x
    x = 2,621,152,772,308,236,288/1,347,986,218.60
  6. Step 6: Final answer
    x = 1,944,495,230.10

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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.