Home / 806,574,530.70-1,209,861,796.05-397,826,498.70

Finding the Fourth Proportional to 806,574,530.70, 1,209,861,796.05 and 397,826,498.70

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Solution

The fourth proportional to 806,574,530.70, 1,209,861,796.05 and 397,826,498.70 is: 596,739,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,574,530.70 : 1,209,861,796.05 = 397,826,498.70 : x
  2. Step 2: Convert to fraction form
    806,574,530.70/1,209,861,796.05 = 397,826,498.70/x
  3. Step 3: Cross multiply
    806,574,530.70x = 1,209,861,796.05 × 397,826,498.70
  4. Step 4: Simplify right side
    806,574,530.70x = 481,315,082,233,464,960
  5. Step 5: Solve for x
    x = 481,315,082,233,464,960/806,574,530.70
  6. Step 6: Final answer
    x = 596,739,748.05

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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.