Home / 435,528,058.20-653,292,087.30-281,339,309.40

Finding the Fourth Proportional to 435,528,058.20, 653,292,087.30 and 281,339,309.40

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Solution

The fourth proportional to 435,528,058.20, 653,292,087.30 and 281,339,309.40 is: 422,008,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,528,058.20 : 653,292,087.30 = 281,339,309.40 : x
  2. Step 2: Convert to fraction form
    435,528,058.20/653,292,087.30 = 281,339,309.40/x
  3. Step 3: Cross multiply
    435,528,058.20x = 653,292,087.30 × 281,339,309.40
  4. Step 4: Simplify right side
    435,528,058.20x = 183,796,744,677,466,496
  5. Step 5: Solve for x
    x = 183,796,744,677,466,496/435,528,058.20
  6. Step 6: Final answer
    x = 422,008,964.10

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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.