Home / 861,699,928.20-1,290,693,342.33-583,826,553.51

Finding the Fourth Proportional to 861,699,928.20, 1,290,693,342.33 and 583,826,553.51

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Solution

The fourth proportional to 861,699,928.20, 1,290,693,342.33 and 583,826,553.51 is: 874,481,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,699,928.20 : 1,290,693,342.33 = 583,826,553.51 : x
  2. Step 2: Convert to fraction form
    861,699,928.20/1,290,693,342.33 = 583,826,553.51/x
  3. Step 3: Cross multiply
    861,699,928.20x = 1,290,693,342.33 × 583,826,553.51
  4. Step 4: Simplify right side
    861,699,928.20x = 753,541,045,690,826,496
  5. Step 5: Solve for x
    x = 753,541,045,690,826,496/861,699,928.20
  6. Step 6: Final answer
    x = 874,481,964.12

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1.5x scale

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.